Home / 87,812.10-131,718.15-52,733.70

Finding the Fourth Proportional to 87,812.10, 131,718.15 and 52,733.70

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Solution

The fourth proportional to 87,812.10, 131,718.15 and 52,733.70 is: 79,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,812.10 : 131,718.15 = 52,733.70 : x
  2. Step 2: Convert to fraction form
    87,812.10/131,718.15 = 52,733.70/x
  3. Step 3: Cross multiply
    87,812.10x = 131,718.15 × 52,733.70
  4. Step 4: Simplify right side
    87,812.10x = 6,945,985,406.66
  5. Step 5: Solve for x
    x = 6,945,985,406.66/87,812.10
  6. Step 6: Final answer
    x = 79,100.55

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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.