Home / 71,287.52-98,401.35-41,084.90

Finding the Fourth Proportional to 71,287.52, 98,401.35 and 41,084.90

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Solution

The fourth proportional to 71,287.52, 98,401.35 and 41,084.90 is: 56,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,287.52 : 98,401.35 = 41,084.90 : x
  2. Step 2: Convert to fraction form
    71,287.52/98,401.35 = 41,084.90/x
  3. Step 3: Cross multiply
    71,287.52x = 98,401.35 × 41,084.90
  4. Step 4: Simplify right side
    71,287.52x = 4,042,809,132.61
  5. Step 5: Solve for x
    x = 4,042,809,132.61/71,287.52
  6. Step 6: Final answer
    x = 56,711.32

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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.