Home / 87,636.60-131,453.28-59,486.94

Finding the Fourth Proportional to 87,636.60, 131,453.28 and 59,486.94

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Solution

The fourth proportional to 87,636.60, 131,453.28 and 59,486.94 is: 89,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,636.60 : 131,453.28 = 59,486.94 : x
  2. Step 2: Convert to fraction form
    87,636.60/131,453.28 = 59,486.94/x
  3. Step 3: Cross multiply
    87,636.60x = 131,453.28 × 59,486.94
  4. Step 4: Simplify right side
    87,636.60x = 7,819,753,380.16
  5. Step 5: Solve for x
    x = 7,819,753,380.16/87,636.60
  6. Step 6: Final answer
    x = 89,229.31

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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.