Home / 98,414.47-135,877.33-75,713.41

Finding the Fourth Proportional to 98,414.47, 135,877.33 and 75,713.41

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Solution

The fourth proportional to 98,414.47, 135,877.33 and 75,713.41 is: 104,534.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,414.47 : 135,877.33 = 75,713.41 : x
  2. Step 2: Convert to fraction form
    98,414.47/135,877.33 = 75,713.41/x
  3. Step 3: Cross multiply
    98,414.47x = 135,877.33 × 75,713.41
  4. Step 4: Simplify right side
    98,414.47x = 10,287,735,996.00
  5. Step 5: Solve for x
    x = 10,287,735,996.00/98,414.47
  6. Step 6: Final answer
    x = 104,534.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.