Home / 87,175.56-130,743.88-40,422.36

Finding the Fourth Proportional to 87,175.56, 130,743.88 and 40,422.36

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Solution

The fourth proportional to 87,175.56, 130,743.88 and 40,422.36 is: 60,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,175.56 : 130,743.88 = 40,422.36 : x
  2. Step 2: Convert to fraction form
    87,175.56/130,743.88 = 40,422.36/x
  3. Step 3: Cross multiply
    87,175.56x = 130,743.88 × 40,422.36
  4. Step 4: Simplify right side
    87,175.56x = 5,284,976,185.16
  5. Step 5: Solve for x
    x = 5,284,976,185.16/87,175.56
  6. Step 6: Final answer
    x = 60,624.52

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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.