Home / 87,203.52-130,714.56-40,417.92

Finding the Fourth Proportional to 87,203.52, 130,714.56 and 40,417.92

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Solution

The fourth proportional to 87,203.52, 130,714.56 and 40,417.92 is: 60,584.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,203.52 : 130,714.56 = 40,417.92 : x
  2. Step 2: Convert to fraction form
    87,203.52/130,714.56 = 40,417.92/x
  3. Step 3: Cross multiply
    87,203.52x = 130,714.56 × 40,417.92
  4. Step 4: Simplify right side
    87,203.52x = 5,283,210,628.92
  5. Step 5: Solve for x
    x = 5,283,210,628.92/87,203.52
  6. Step 6: Final answer
    x = 60,584.83

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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.