Home / 99,407.52-137,183.73-54,086.04

Finding the Fourth Proportional to 99,407.52, 137,183.73 and 54,086.04

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Solution

The fourth proportional to 99,407.52, 137,183.73 and 54,086.04 is: 74,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,407.52 : 137,183.73 = 54,086.04 : x
  2. Step 2: Convert to fraction form
    99,407.52/137,183.73 = 54,086.04/x
  3. Step 3: Cross multiply
    99,407.52x = 137,183.73 × 54,086.04
  4. Step 4: Simplify right side
    99,407.52x = 7,419,724,708.13
  5. Step 5: Solve for x
    x = 7,419,724,708.13/99,407.52
  6. Step 6: Final answer
    x = 74,639.47

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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.