Home / 87,291.33-130,945.46-34,689.03

Finding the Fourth Proportional to 87,291.33, 130,945.46 and 34,689.03

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Solution

The fourth proportional to 87,291.33, 130,945.46 and 34,689.03 is: 52,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,291.33 : 130,945.46 = 34,689.03 : x
  2. Step 2: Convert to fraction form
    87,291.33/130,945.46 = 34,689.03/x
  3. Step 3: Cross multiply
    87,291.33x = 130,945.46 × 34,689.03
  4. Step 4: Simplify right side
    87,291.33x = 4,542,370,816.86
  5. Step 5: Solve for x
    x = 4,542,370,816.86/87,291.33
  6. Step 6: Final answer
    x = 52,036.91

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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.