Home / 87,757.59-131,555.63-47,718.08

Finding the Fourth Proportional to 87,757.59, 131,555.63 and 47,718.08

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Solution

The fourth proportional to 87,757.59, 131,555.63 and 47,718.08 is: 71,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,757.59 : 131,555.63 = 47,718.08 : x
  2. Step 2: Convert to fraction form
    87,757.59/131,555.63 = 47,718.08/x
  3. Step 3: Cross multiply
    87,757.59x = 131,555.63 × 47,718.08
  4. Step 4: Simplify right side
    87,757.59x = 6,277,581,180.42
  5. Step 5: Solve for x
    x = 6,277,581,180.42/87,757.59
  6. Step 6: Final answer
    x = 71,533.20

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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.