Home / 91,324.88-136,998.24-38,727.52

Finding the Fourth Proportional to 91,324.88, 136,998.24 and 38,727.52

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Solution

The fourth proportional to 91,324.88, 136,998.24 and 38,727.52 is: 58,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,324.88 : 136,998.24 = 38,727.52 : x
  2. Step 2: Convert to fraction form
    91,324.88/136,998.24 = 38,727.52/x
  3. Step 3: Cross multiply
    91,324.88x = 136,998.24 × 38,727.52
  4. Step 4: Simplify right side
    91,324.88x = 5,305,602,079.56
  5. Step 5: Solve for x
    x = 5,305,602,079.56/91,324.88
  6. Step 6: Final answer
    x = 58,095.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.