Home / 98,932.50-136,535.49-54,229.14

Finding the Fourth Proportional to 98,932.50, 136,535.49 and 54,229.14

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Solution

The fourth proportional to 98,932.50, 136,535.49 and 54,229.14 is: 74,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,932.50 : 136,535.49 = 54,229.14 : x
  2. Step 2: Convert to fraction form
    98,932.50/136,535.49 = 54,229.14/x
  3. Step 3: Cross multiply
    98,932.50x = 136,535.49 × 54,229.14
  4. Step 4: Simplify right side
    98,932.50x = 7,404,202,202.18
  5. Step 5: Solve for x
    x = 7,404,202,202.18/98,932.50
  6. Step 6: Final answer
    x = 74,840.95

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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.