Home / 91,624.90-137,351.14-49,441.76

Finding the Fourth Proportional to 91,624.90, 137,351.14 and 49,441.76

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Solution

The fourth proportional to 91,624.90, 137,351.14 and 49,441.76 is: 74,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,624.90 : 137,351.14 = 49,441.76 : x
  2. Step 2: Convert to fraction form
    91,624.90/137,351.14 = 49,441.76/x
  3. Step 3: Cross multiply
    91,624.90x = 137,351.14 × 49,441.76
  4. Step 4: Simplify right side
    91,624.90x = 6,790,882,099.61
  5. Step 5: Solve for x
    x = 6,790,882,099.61/91,624.90
  6. Step 6: Final answer
    x = 74,116.12

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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.