Home / 87,597.66-131,394.65-28,433.24

Finding the Fourth Proportional to 87,597.66, 131,394.65 and 28,433.24

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Solution

The fourth proportional to 87,597.66, 131,394.65 and 28,433.24 is: 42,649.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,597.66 : 131,394.65 = 28,433.24 : x
  2. Step 2: Convert to fraction form
    87,597.66/131,394.65 = 28,433.24/x
  3. Step 3: Cross multiply
    87,597.66x = 131,394.65 × 28,433.24
  4. Step 4: Simplify right side
    87,597.66x = 3,735,974,819.03
  5. Step 5: Solve for x
    x = 3,735,974,819.03/87,597.66
  6. Step 6: Final answer
    x = 42,649.25

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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.