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Finding the Fourth Proportional to 57,377.67, 85,489.82 and 54,154.71

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Solution

The fourth proportional to 57,377.67, 85,489.82 and 54,154.71 is: 80,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,377.67 : 85,489.82 = 54,154.71 : x
  2. Step 2: Convert to fraction form
    57,377.67/85,489.82 = 54,154.71/x
  3. Step 3: Cross multiply
    57,377.67x = 85,489.82 × 54,154.71
  4. Step 4: Simplify right side
    57,377.67x = 4,629,676,139.28
  5. Step 5: Solve for x
    x = 4,629,676,139.28/57,377.67
  6. Step 6: Final answer
    x = 80,687.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.