Home / 89,827.30-123,964.75-49,542.30

Finding the Fourth Proportional to 89,827.30, 123,964.75 and 49,542.30

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Solution

The fourth proportional to 89,827.30, 123,964.75 and 49,542.30 is: 68,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,827.30 : 123,964.75 = 49,542.30 : x
  2. Step 2: Convert to fraction form
    89,827.30/123,964.75 = 49,542.30/x
  3. Step 3: Cross multiply
    89,827.30x = 123,964.75 × 49,542.30
  4. Step 4: Simplify right side
    89,827.30x = 6,141,498,833.93
  5. Step 5: Solve for x
    x = 6,141,498,833.93/89,827.30
  6. Step 6: Final answer
    x = 68,370.07

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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.