Home / 99,337.30-137,084.73-54,015.23

Finding the Fourth Proportional to 99,337.30, 137,084.73 and 54,015.23

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Solution

The fourth proportional to 99,337.30, 137,084.73 and 54,015.23 is: 74,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,337.30 : 137,084.73 = 54,015.23 : x
  2. Step 2: Convert to fraction form
    99,337.30/137,084.73 = 54,015.23/x
  3. Step 3: Cross multiply
    99,337.30x = 137,084.73 × 54,015.23
  4. Step 4: Simplify right side
    99,337.30x = 7,404,663,220.44
  5. Step 5: Solve for x
    x = 7,404,663,220.44/99,337.30
  6. Step 6: Final answer
    x = 74,540.61

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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.