Home / 87,812.64-131,494.86-48,326.76

Finding the Fourth Proportional to 87,812.64, 131,494.86 and 48,326.76

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Solution

The fourth proportional to 87,812.64, 131,494.86 and 48,326.76 is: 72,366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,812.64 : 131,494.86 = 48,326.76 : x
  2. Step 2: Convert to fraction form
    87,812.64/131,494.86 = 48,326.76/x
  3. Step 3: Cross multiply
    87,812.64x = 131,494.86 × 48,326.76
  4. Step 4: Simplify right side
    87,812.64x = 6,354,720,540.45
  5. Step 5: Solve for x
    x = 6,354,720,540.45/87,812.64
  6. Step 6: Final answer
    x = 72,366.81

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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.