Home / 87,702.16-131,560.08-31,549.57

Finding the Fourth Proportional to 87,702.16, 131,560.08 and 31,549.57

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Solution

The fourth proportional to 87,702.16, 131,560.08 and 31,549.57 is: 47,326.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,702.16 : 131,560.08 = 31,549.57 : x
  2. Step 2: Convert to fraction form
    87,702.16/131,560.08 = 31,549.57/x
  3. Step 3: Cross multiply
    87,702.16x = 131,560.08 × 31,549.57
  4. Step 4: Simplify right side
    87,702.16x = 4,150,663,953.17
  5. Step 5: Solve for x
    x = 4,150,663,953.17/87,702.16
  6. Step 6: Final answer
    x = 47,326.82

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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.