Home / 87,522.10-131,250.74-68,838.46

Finding the Fourth Proportional to 87,522.10, 131,250.74 and 68,838.46

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Solution

The fourth proportional to 87,522.10, 131,250.74 and 68,838.46 is: 103,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,522.10 : 131,250.74 = 68,838.46 : x
  2. Step 2: Convert to fraction form
    87,522.10/131,250.74 = 68,838.46/x
  3. Step 3: Cross multiply
    87,522.10x = 131,250.74 × 68,838.46
  4. Step 4: Simplify right side
    87,522.10x = 9,035,098,815.46
  5. Step 5: Solve for x
    x = 9,035,098,815.46/87,522.10
  6. Step 6: Final answer
    x = 103,232.20

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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.