Home / 89,837.80-123,976.76-49,552.66

Finding the Fourth Proportional to 89,837.80, 123,976.76 and 49,552.66

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Solution

The fourth proportional to 89,837.80, 123,976.76 and 49,552.66 is: 68,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,837.80 : 123,976.76 = 49,552.66 : x
  2. Step 2: Convert to fraction form
    89,837.80/123,976.76 = 49,552.66/x
  3. Step 3: Cross multiply
    89,837.80x = 123,976.76 × 49,552.66
  4. Step 4: Simplify right side
    89,837.80x = 6,143,377,368.53
  5. Step 5: Solve for x
    x = 6,143,377,368.53/89,837.80
  6. Step 6: Final answer
    x = 68,382.99

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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.