Home / 89,516.06-123,528.82-49,229.40

Finding the Fourth Proportional to 89,516.06, 123,528.82 and 49,229.40

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Solution

The fourth proportional to 89,516.06, 123,528.82 and 49,229.40 is: 67,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,516.06 : 123,528.82 = 49,229.40 : x
  2. Step 2: Convert to fraction form
    89,516.06/123,528.82 = 49,229.40/x
  3. Step 3: Cross multiply
    89,516.06x = 123,528.82 × 49,229.40
  4. Step 4: Simplify right side
    89,516.06x = 6,081,249,691.31
  5. Step 5: Solve for x
    x = 6,081,249,691.31/89,516.06
  6. Step 6: Final answer
    x = 67,934.73

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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.