Home / 89,205.75-123,092.62-48,908.91

Finding the Fourth Proportional to 89,205.75, 123,092.62 and 48,908.91

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Solution

The fourth proportional to 89,205.75, 123,092.62 and 48,908.91 is: 67,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,205.75 : 123,092.62 = 48,908.91 : x
  2. Step 2: Convert to fraction form
    89,205.75/123,092.62 = 48,908.91/x
  3. Step 3: Cross multiply
    89,205.75x = 123,092.62 × 48,908.91
  4. Step 4: Simplify right side
    89,205.75x = 6,020,326,212.57
  5. Step 5: Solve for x
    x = 6,020,326,212.57/89,205.75
  6. Step 6: Final answer
    x = 67,488.10

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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.