Home / 51,103.51-76,655.28-22,990.73

Finding the Fourth Proportional to 51,103.51, 76,655.28 and 22,990.73

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Solution

The fourth proportional to 51,103.51, 76,655.28 and 22,990.73 is: 34,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,103.51 : 76,655.28 = 22,990.73 : x
  2. Step 2: Convert to fraction form
    51,103.51/76,655.28 = 22,990.73/x
  3. Step 3: Cross multiply
    51,103.51x = 76,655.28 × 22,990.73
  4. Step 4: Simplify right side
    51,103.51x = 1,762,360,845.55
  5. Step 5: Solve for x
    x = 1,762,360,845.55/51,103.51
  6. Step 6: Final answer
    x = 34,486.11

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.