Home / 87,753.40-131,641.04-28,573.18

Finding the Fourth Proportional to 87,753.40, 131,641.04 and 28,573.18

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Solution

The fourth proportional to 87,753.40, 131,641.04 and 28,573.18 is: 42,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753.40 : 131,641.04 = 28,573.18 : x
  2. Step 2: Convert to fraction form
    87,753.40/131,641.04 = 28,573.18/x
  3. Step 3: Cross multiply
    87,753.40x = 131,641.04 × 28,573.18
  4. Step 4: Simplify right side
    87,753.40x = 3,761,402,873.64
  5. Step 5: Solve for x
    x = 3,761,402,873.64/87,753.40
  6. Step 6: Final answer
    x = 42,863.33

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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.