Home / 87,153.92-130,746.24-40,459.52

Finding the Fourth Proportional to 87,153.92, 130,746.24 and 40,459.52

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Solution

The fourth proportional to 87,153.92, 130,746.24 and 40,459.52 is: 60,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,153.92 : 130,746.24 = 40,459.52 : x
  2. Step 2: Convert to fraction form
    87,153.92/130,746.24 = 40,459.52/x
  3. Step 3: Cross multiply
    87,153.92x = 130,746.24 × 40,459.52
  4. Step 4: Simplify right side
    87,153.92x = 5,289,930,112.20
  5. Step 5: Solve for x
    x = 5,289,930,112.20/87,153.92
  6. Step 6: Final answer
    x = 60,696.41

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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.