Home / 87,329.70-131,052.15-31,925.70

Finding the Fourth Proportional to 87,329.70, 131,052.15 and 31,925.70

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Solution

The fourth proportional to 87,329.70, 131,052.15 and 31,925.70 is: 47,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,329.70 : 131,052.15 = 31,925.70 : x
  2. Step 2: Convert to fraction form
    87,329.70/131,052.15 = 31,925.70/x
  3. Step 3: Cross multiply
    87,329.70x = 131,052.15 × 31,925.70
  4. Step 4: Simplify right side
    87,329.70x = 4,183,931,625.26
  5. Step 5: Solve for x
    x = 4,183,931,625.26/87,329.70
  6. Step 6: Final answer
    x = 47,909.61

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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.