Home / 89,766.92-123,879.20-49,482.24

Finding the Fourth Proportional to 89,766.92, 123,879.20 and 49,482.24

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Solution

The fourth proportional to 89,766.92, 123,879.20 and 49,482.24 is: 68,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,766.92 : 123,879.20 = 49,482.24 : x
  2. Step 2: Convert to fraction form
    89,766.92/123,879.20 = 49,482.24/x
  3. Step 3: Cross multiply
    89,766.92x = 123,879.20 × 49,482.24
  4. Step 4: Simplify right side
    89,766.92x = 6,129,820,058.00
  5. Step 5: Solve for x
    x = 6,129,820,058.00/89,766.92
  6. Step 6: Final answer
    x = 68,285.96

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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.