Home / 87,706.06-131,425.24-45,599.82

Finding the Fourth Proportional to 87,706.06, 131,425.24 and 45,599.82

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Solution

The fourth proportional to 87,706.06, 131,425.24 and 45,599.82 is: 68,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,706.06 : 131,425.24 = 45,599.82 : x
  2. Step 2: Convert to fraction form
    87,706.06/131,425.24 = 45,599.82/x
  3. Step 3: Cross multiply
    87,706.06x = 131,425.24 × 45,599.82
  4. Step 4: Simplify right side
    87,706.06x = 5,992,967,287.46
  5. Step 5: Solve for x
    x = 5,992,967,287.46/87,706.06
  6. Step 6: Final answer
    x = 68,330.14

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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.