Home / 91,958.28-137,912.52-25,382.40

Finding the Fourth Proportional to 91,958.28, 137,912.52 and 25,382.40

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Solution

The fourth proportional to 91,958.28, 137,912.52 and 25,382.40 is: 38,066.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,958.28 : 137,912.52 = 25,382.40 : x
  2. Step 2: Convert to fraction form
    91,958.28/137,912.52 = 25,382.40/x
  3. Step 3: Cross multiply
    91,958.28x = 137,912.52 × 25,382.40
  4. Step 4: Simplify right side
    91,958.28x = 3,500,550,747.65
  5. Step 5: Solve for x
    x = 3,500,550,747.65/91,958.28
  6. Step 6: Final answer
    x = 38,066.73

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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.