Home / 76,363.20-114,409.29-31,892.13

Finding the Fourth Proportional to 76,363.20, 114,409.29 and 31,892.13

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Solution

The fourth proportional to 76,363.20, 114,409.29 and 31,892.13 is: 47,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,363.20 : 114,409.29 = 31,892.13 : x
  2. Step 2: Convert to fraction form
    76,363.20/114,409.29 = 31,892.13/x
  3. Step 3: Cross multiply
    76,363.20x = 114,409.29 × 31,892.13
  4. Step 4: Simplify right side
    76,363.20x = 3,648,755,949.89
  5. Step 5: Solve for x
    x = 3,648,755,949.89/76,363.20
  6. Step 6: Final answer
    x = 47,781.60

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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.