Home / 91,183.40-136,789.50-38,593.16

Finding the Fourth Proportional to 91,183.40, 136,789.50 and 38,593.16

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Solution

The fourth proportional to 91,183.40, 136,789.50 and 38,593.16 is: 57,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,183.40 : 136,789.50 = 38,593.16 : x
  2. Step 2: Convert to fraction form
    91,183.40/136,789.50 = 38,593.16/x
  3. Step 3: Cross multiply
    91,183.40x = 136,789.50 × 38,593.16
  4. Step 4: Simplify right side
    91,183.40x = 5,279,139,059.82
  5. Step 5: Solve for x
    x = 5,279,139,059.82/91,183.40
  6. Step 6: Final answer
    x = 57,895.83

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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.