Home / 91,947.42-137,680.38-60,257.79

Finding the Fourth Proportional to 91,947.42, 137,680.38 and 60,257.79

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Solution

The fourth proportional to 91,947.42, 137,680.38 and 60,257.79 is: 90,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,947.42 : 137,680.38 = 60,257.79 : x
  2. Step 2: Convert to fraction form
    91,947.42/137,680.38 = 60,257.79/x
  3. Step 3: Cross multiply
    91,947.42x = 137,680.38 × 60,257.79
  4. Step 4: Simplify right side
    91,947.42x = 8,296,315,425.16
  5. Step 5: Solve for x
    x = 8,296,315,425.16/91,947.42
  6. Step 6: Final answer
    x = 90,228.91

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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.