Home / 99,917.04-137,886.12-54,594.48

Finding the Fourth Proportional to 99,917.04, 137,886.12 and 54,594.48

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Solution

The fourth proportional to 99,917.04, 137,886.12 and 54,594.48 is: 75,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,917.04 : 137,886.12 = 54,594.48 : x
  2. Step 2: Convert to fraction form
    99,917.04/137,886.12 = 54,594.48/x
  3. Step 3: Cross multiply
    99,917.04x = 137,886.12 × 54,594.48
  4. Step 4: Simplify right side
    99,917.04x = 7,527,821,020.62
  5. Step 5: Solve for x
    x = 7,527,821,020.62/99,917.04
  6. Step 6: Final answer
    x = 75,340.71

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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.