Home / 99,182.08-136,872.24-54,470.08

Finding the Fourth Proportional to 99,182.08, 136,872.24 and 54,470.08

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Solution

The fourth proportional to 99,182.08, 136,872.24 and 54,470.08 is: 75,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,182.08 : 136,872.24 = 54,470.08 : x
  2. Step 2: Convert to fraction form
    99,182.08/136,872.24 = 54,470.08/x
  3. Step 3: Cross multiply
    99,182.08x = 136,872.24 × 54,470.08
  4. Step 4: Simplify right side
    99,182.08x = 7,455,441,862.58
  5. Step 5: Solve for x
    x = 7,455,441,862.58/99,182.08
  6. Step 6: Final answer
    x = 75,169.24

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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.