Home / 87,597.01-131,312.38-28,391.07

Finding the Fourth Proportional to 87,597.01, 131,312.38 and 28,391.07

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Solution

The fourth proportional to 87,597.01, 131,312.38 and 28,391.07 is: 42,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,597.01 : 131,312.38 = 28,391.07 : x
  2. Step 2: Convert to fraction form
    87,597.01/131,312.38 = 28,391.07/x
  3. Step 3: Cross multiply
    87,597.01x = 131,312.38 × 28,391.07
  4. Step 4: Simplify right side
    87,597.01x = 3,728,098,972.45
  5. Step 5: Solve for x
    x = 3,728,098,972.45/87,597.01
  6. Step 6: Final answer
    x = 42,559.66

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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.