Home / 55,108.18-76,050.05-29,958.22

Finding the Fourth Proportional to 55,108.18, 76,050.05 and 29,958.22

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Solution

The fourth proportional to 55,108.18, 76,050.05 and 29,958.22 is: 41,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.18 : 76,050.05 = 29,958.22 : x
  2. Step 2: Convert to fraction form
    55,108.18/76,050.05 = 29,958.22/x
  3. Step 3: Cross multiply
    55,108.18x = 76,050.05 × 29,958.22
  4. Step 4: Simplify right side
    55,108.18x = 2,278,323,979.12
  5. Step 5: Solve for x
    x = 2,278,323,979.12/55,108.18
  6. Step 6: Final answer
    x = 41,342.75

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Half scale
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Double scale
Find fourth proportional to 55,109.18, 76,051.43 and 29,959.22
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.