Home / 89,332.89-123,280.92-49,048.35

Finding the Fourth Proportional to 89,332.89, 123,280.92 and 49,048.35

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Solution

The fourth proportional to 89,332.89, 123,280.92 and 49,048.35 is: 67,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,332.89 : 123,280.92 = 49,048.35 : x
  2. Step 2: Convert to fraction form
    89,332.89/123,280.92 = 49,048.35/x
  3. Step 3: Cross multiply
    89,332.89x = 123,280.92 × 49,048.35
  4. Step 4: Simplify right side
    89,332.89x = 6,046,725,712.48
  5. Step 5: Solve for x
    x = 6,046,725,712.48/89,332.89
  6. Step 6: Final answer
    x = 67,687.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.