Home / 91,478.40-137,203.68-24,923.76

Finding the Fourth Proportional to 91,478.40, 137,203.68 and 24,923.76

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Solution

The fourth proportional to 91,478.40, 137,203.68 and 24,923.76 is: 37,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,478.40 : 137,203.68 = 24,923.76 : x
  2. Step 2: Convert to fraction form
    91,478.40/137,203.68 = 24,923.76/x
  3. Step 3: Cross multiply
    91,478.40x = 137,203.68 × 24,923.76
  4. Step 4: Simplify right side
    91,478.40x = 3,419,631,591.44
  5. Step 5: Solve for x
    x = 3,419,631,591.44/91,478.40
  6. Step 6: Final answer
    x = 37,381.85

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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.