Home / 87,204.52-130,716.06-40,418.92

Finding the Fourth Proportional to 87,204.52, 130,716.06 and 40,418.92

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Solution

The fourth proportional to 87,204.52, 130,716.06 and 40,418.92 is: 60,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,204.52 : 130,716.06 = 40,418.92 : x
  2. Step 2: Convert to fraction form
    87,204.52/130,716.06 = 40,418.92/x
  3. Step 3: Cross multiply
    87,204.52x = 130,716.06 × 40,418.92
  4. Step 4: Simplify right side
    87,204.52x = 5,283,401,971.86
  5. Step 5: Solve for x
    x = 5,283,401,971.86/87,204.52
  6. Step 6: Final answer
    x = 60,586.33

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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.