Home / 91,342.49-137,044.75-49,226.79

Finding the Fourth Proportional to 91,342.49, 137,044.75 and 49,226.79

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Solution

The fourth proportional to 91,342.49, 137,044.75 and 49,226.79 is: 73,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,342.49 : 137,044.75 = 49,226.79 : x
  2. Step 2: Convert to fraction form
    91,342.49/137,044.75 = 49,226.79/x
  3. Step 3: Cross multiply
    91,342.49x = 137,044.75 × 49,226.79
  4. Step 4: Simplify right side
    91,342.49x = 6,746,273,128.85
  5. Step 5: Solve for x
    x = 6,746,273,128.85/91,342.49
  6. Step 6: Final answer
    x = 73,856.90

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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.