Home / 91,060.79-136,591.19-48,960.70

Finding the Fourth Proportional to 91,060.79, 136,591.19 and 48,960.70

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Solution

The fourth proportional to 91,060.79, 136,591.19 and 48,960.70 is: 73,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,060.79 : 136,591.19 = 48,960.70 : x
  2. Step 2: Convert to fraction form
    91,060.79/136,591.19 = 48,960.70/x
  3. Step 3: Cross multiply
    91,060.79x = 136,591.19 × 48,960.70
  4. Step 4: Simplify right side
    91,060.79x = 6,687,600,917.28
  5. Step 5: Solve for x
    x = 6,687,600,917.28/91,060.79
  6. Step 6: Final answer
    x = 73,441.06

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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.