Home / 89,371.13-123,332.09-49,087.53

Finding the Fourth Proportional to 89,371.13, 123,332.09 and 49,087.53

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Solution

The fourth proportional to 89,371.13, 123,332.09 and 49,087.53 is: 67,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,371.13 : 123,332.09 = 49,087.53 : x
  2. Step 2: Convert to fraction form
    89,371.13/123,332.09 = 49,087.53/x
  3. Step 3: Cross multiply
    89,371.13x = 123,332.09 × 49,087.53
  4. Step 4: Simplify right side
    89,371.13x = 6,054,067,422.40
  5. Step 5: Solve for x
    x = 6,054,067,422.40/89,371.13
  6. Step 6: Final answer
    x = 67,740.75

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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.