Home / 91,042.38-136,561.95-34,867.26

Finding the Fourth Proportional to 91,042.38, 136,561.95 and 34,867.26

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Solution

The fourth proportional to 91,042.38, 136,561.95 and 34,867.26 is: 52,300.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,042.38 : 136,561.95 = 34,867.26 : x
  2. Step 2: Convert to fraction form
    91,042.38/136,561.95 = 34,867.26/x
  3. Step 3: Cross multiply
    91,042.38x = 136,561.95 × 34,867.26
  4. Step 4: Simplify right side
    91,042.38x = 4,761,541,016.76
  5. Step 5: Solve for x
    x = 4,761,541,016.76/91,042.38
  6. Step 6: Final answer
    x = 52,300.27

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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.