Home / 88,312.28-132,479.35-28,344.74

Finding the Fourth Proportional to 88,312.28, 132,479.35 and 28,344.74

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Solution

The fourth proportional to 88,312.28, 132,479.35 and 28,344.74 is: 42,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,312.28 : 132,479.35 = 28,344.74 : x
  2. Step 2: Convert to fraction form
    88,312.28/132,479.35 = 28,344.74/x
  3. Step 3: Cross multiply
    88,312.28x = 132,479.35 × 28,344.74
  4. Step 4: Simplify right side
    88,312.28x = 3,755,091,997.86
  5. Step 5: Solve for x
    x = 3,755,091,997.86/88,312.28
  6. Step 6: Final answer
    x = 42,520.61

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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.