Home / 98,042.88-147,112.92-38,877.28

Finding the Fourth Proportional to 98,042.88, 147,112.92 and 38,877.28

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Solution

The fourth proportional to 98,042.88, 147,112.92 and 38,877.28 is: 58,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,042.88 : 147,112.92 = 38,877.28 : x
  2. Step 2: Convert to fraction form
    98,042.88/147,112.92 = 38,877.28/x
  3. Step 3: Cross multiply
    98,042.88x = 147,112.92 × 38,877.28
  4. Step 4: Simplify right side
    98,042.88x = 5,719,350,182.46
  5. Step 5: Solve for x
    x = 5,719,350,182.46/98,042.88
  6. Step 6: Final answer
    x = 58,335.19

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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.