Home / 71,747.06-99,010.94-39,915.95

Finding the Fourth Proportional to 71,747.06, 99,010.94 and 39,915.95

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Solution

The fourth proportional to 71,747.06, 99,010.94 and 39,915.95 is: 55,084.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,747.06 : 99,010.94 = 39,915.95 : x
  2. Step 2: Convert to fraction form
    71,747.06/99,010.94 = 39,915.95/x
  3. Step 3: Cross multiply
    71,747.06x = 99,010.94 × 39,915.95
  4. Step 4: Simplify right side
    71,747.06x = 3,952,115,035.86
  5. Step 5: Solve for x
    x = 3,952,115,035.86/71,747.06
  6. Step 6: Final answer
    x = 55,084.00

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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.