Home / 98,418.36-135,882.54-60,747.96

Finding the Fourth Proportional to 98,418.36, 135,882.54 and 60,747.96

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Solution

The fourth proportional to 98,418.36, 135,882.54 and 60,747.96 is: 83,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,418.36 : 135,882.54 = 60,747.96 : x
  2. Step 2: Convert to fraction form
    98,418.36/135,882.54 = 60,747.96/x
  3. Step 3: Cross multiply
    98,418.36x = 135,882.54 × 60,747.96
  4. Step 4: Simplify right side
    98,418.36x = 8,254,587,104.62
  5. Step 5: Solve for x
    x = 8,254,587,104.62/98,418.36
  6. Step 6: Final answer
    x = 83,872.43

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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.