Home / 97,691.56-134,821.60-54,675.36

Finding the Fourth Proportional to 97,691.56, 134,821.60 and 54,675.36

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Solution

The fourth proportional to 97,691.56, 134,821.60 and 54,675.36 is: 75,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,691.56 : 134,821.60 = 54,675.36 : x
  2. Step 2: Convert to fraction form
    97,691.56/134,821.60 = 54,675.36/x
  3. Step 3: Cross multiply
    97,691.56x = 134,821.60 × 54,675.36
  4. Step 4: Simplify right side
    97,691.56x = 7,371,419,515.78
  5. Step 5: Solve for x
    x = 7,371,419,515.78/97,691.56
  6. Step 6: Final answer
    x = 75,456.05

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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.