Home / 99,594.92-137,439.18-54,273.28

Finding the Fourth Proportional to 99,594.92, 137,439.18 and 54,273.28

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Solution

The fourth proportional to 99,594.92, 137,439.18 and 54,273.28 is: 74,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,594.92 : 137,439.18 = 54,273.28 : x
  2. Step 2: Convert to fraction form
    99,594.92/137,439.18 = 54,273.28/x
  3. Step 3: Cross multiply
    99,594.92x = 137,439.18 × 54,273.28
  4. Step 4: Simplify right side
    99,594.92x = 7,459,275,099.11
  5. Step 5: Solve for x
    x = 7,459,275,099.11/99,594.92
  6. Step 6: Final answer
    x = 74,896.14

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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.