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Finding the Fourth Proportional to 71,487, 107,155.67 and 24,085.71

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Solution

The fourth proportional to 71,487, 107,155.67 and 24,085.71 is: 36,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,487 : 107,155.67 = 24,085.71 : x
  2. Step 2: Convert to fraction form
    71,487/107,155.67 = 24,085.71/x
  3. Step 3: Cross multiply
    71,487x = 107,155.67 × 24,085.71
  4. Step 4: Simplify right side
    71,487x = 2,580,920,272.05
  5. Step 5: Solve for x
    x = 2,580,920,272.05/71,487
  6. Step 6: Final answer
    x = 36,103.35

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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.