Home / 89,695.06-123,778.58-49,407.88

Finding the Fourth Proportional to 89,695.06, 123,778.58 and 49,407.88

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Solution

The fourth proportional to 89,695.06, 123,778.58 and 49,407.88 is: 68,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,695.06 : 123,778.58 = 49,407.88 : x
  2. Step 2: Convert to fraction form
    89,695.06/123,778.58 = 49,407.88/x
  3. Step 3: Cross multiply
    89,695.06x = 123,778.58 × 49,407.88
  4. Step 4: Simplify right side
    89,695.06x = 6,115,637,227.21
  5. Step 5: Solve for x
    x = 6,115,637,227.21/89,695.06
  6. Step 6: Final answer
    x = 68,182.54

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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.