Home / 87,686.04-131,490.18-61,403.16

Finding the Fourth Proportional to 87,686.04, 131,490.18 and 61,403.16

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Solution

The fourth proportional to 87,686.04, 131,490.18 and 61,403.16 is: 92,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,686.04 : 131,490.18 = 61,403.16 : x
  2. Step 2: Convert to fraction form
    87,686.04/131,490.18 = 61,403.16/x
  3. Step 3: Cross multiply
    87,686.04x = 131,490.18 × 61,403.16
  4. Step 4: Simplify right side
    87,686.04x = 8,073,912,560.97
  5. Step 5: Solve for x
    x = 8,073,912,560.97/87,686.04
  6. Step 6: Final answer
    x = 92,077.51

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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.