Home / 55,146.36-76,103.82-29,996.76

Finding the Fourth Proportional to 55,146.36, 76,103.82 and 29,996.76

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Solution

The fourth proportional to 55,146.36, 76,103.82 and 29,996.76 is: 41,396.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,146.36 : 76,103.82 = 29,996.76 : x
  2. Step 2: Convert to fraction form
    55,146.36/76,103.82 = 29,996.76/x
  3. Step 3: Cross multiply
    55,146.36x = 76,103.82 × 29,996.76
  4. Step 4: Simplify right side
    55,146.36x = 2,282,868,023.62
  5. Step 5: Solve for x
    x = 2,282,868,023.62/55,146.36
  6. Step 6: Final answer
    x = 41,396.53

Related Problems

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Half scale
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Double scale
Find fourth proportional to 55,147.36, 76,105.20 and 29,997.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.