Home / 89,601.77-123,649.49-49,314.66

Finding the Fourth Proportional to 89,601.77, 123,649.49 and 49,314.66

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Solution

The fourth proportional to 89,601.77, 123,649.49 and 49,314.66 is: 68,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,601.77 : 123,649.49 = 49,314.66 : x
  2. Step 2: Convert to fraction form
    89,601.77/123,649.49 = 49,314.66/x
  3. Step 3: Cross multiply
    89,601.77x = 123,649.49 × 49,314.66
  4. Step 4: Simplify right side
    89,601.77x = 6,097,732,681.81
  5. Step 5: Solve for x
    x = 6,097,732,681.81/89,601.77
  6. Step 6: Final answer
    x = 68,053.71

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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.