Home / 87,111.38-130,578.80-59,034.26

Finding the Fourth Proportional to 87,111.38, 130,578.80 and 59,034.26

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Solution

The fourth proportional to 87,111.38, 130,578.80 and 59,034.26 is: 88,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,111.38 : 130,578.80 = 59,034.26 : x
  2. Step 2: Convert to fraction form
    87,111.38/130,578.80 = 59,034.26/x
  3. Step 3: Cross multiply
    87,111.38x = 130,578.80 × 59,034.26
  4. Step 4: Simplify right side
    87,111.38x = 7,708,622,829.69
  5. Step 5: Solve for x
    x = 7,708,622,829.69/87,111.38
  6. Step 6: Final answer
    x = 88,491.57

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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.