Home / 96,426.38-144,585.38-66,065.78

Finding the Fourth Proportional to 96,426.38, 144,585.38 and 66,065.78

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Solution

The fourth proportional to 96,426.38, 144,585.38 and 66,065.78 is: 99,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,426.38 : 144,585.38 = 66,065.78 : x
  2. Step 2: Convert to fraction form
    96,426.38/144,585.38 = 66,065.78/x
  3. Step 3: Cross multiply
    96,426.38x = 144,585.38 × 66,065.78
  4. Step 4: Simplify right side
    96,426.38x = 9,552,145,906.30
  5. Step 5: Solve for x
    x = 9,552,145,906.30/96,426.38
  6. Step 6: Final answer
    x = 99,061.54

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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.