Home / 89,904.33-124,067.87-49,618.11

Finding the Fourth Proportional to 89,904.33, 124,067.87 and 49,618.11

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Solution

The fourth proportional to 89,904.33, 124,067.87 and 49,618.11 is: 68,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,904.33 : 124,067.87 = 49,618.11 : x
  2. Step 2: Convert to fraction form
    89,904.33/124,067.87 = 49,618.11/x
  3. Step 3: Cross multiply
    89,904.33x = 124,067.87 × 49,618.11
  4. Step 4: Simplify right side
    89,904.33x = 6,156,012,973.04
  5. Step 5: Solve for x
    x = 6,156,012,973.04/89,904.33
  6. Step 6: Final answer
    x = 68,472.93

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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.