Home / 91,560.92-137,392.40-49,440.11

Finding the Fourth Proportional to 91,560.92, 137,392.40 and 49,440.11

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Solution

The fourth proportional to 91,560.92, 137,392.40 and 49,440.11 is: 74,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,560.92 : 137,392.40 = 49,440.11 : x
  2. Step 2: Convert to fraction form
    91,560.92/137,392.40 = 49,440.11/x
  3. Step 3: Cross multiply
    91,560.92x = 137,392.40 × 49,440.11
  4. Step 4: Simplify right side
    91,560.92x = 6,792,694,805.80
  5. Step 5: Solve for x
    x = 6,792,694,805.80/91,560.92
  6. Step 6: Final answer
    x = 74,187.71

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1.5x scale

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.