Home / 98,747.27-136,270.85-53,425.10

Finding the Fourth Proportional to 98,747.27, 136,270.85 and 53,425.10

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Solution

The fourth proportional to 98,747.27, 136,270.85 and 53,425.10 is: 73,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,747.27 : 136,270.85 = 53,425.10 : x
  2. Step 2: Convert to fraction form
    98,747.27/136,270.85 = 53,425.10/x
  3. Step 3: Cross multiply
    98,747.27x = 136,270.85 × 53,425.10
  4. Step 4: Simplify right side
    98,747.27x = 7,280,282,839.86
  5. Step 5: Solve for x
    x = 7,280,282,839.86/98,747.27
  6. Step 6: Final answer
    x = 73,726.43

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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.