Home / 89,370.39-123,332.68-49,085.85

Finding the Fourth Proportional to 89,370.39, 123,332.68 and 49,085.85

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Solution

The fourth proportional to 89,370.39, 123,332.68 and 49,085.85 is: 67,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,370.39 : 123,332.68 = 49,085.85 : x
  2. Step 2: Convert to fraction form
    89,370.39/123,332.68 = 49,085.85/x
  3. Step 3: Cross multiply
    89,370.39x = 123,332.68 × 49,085.85
  4. Step 4: Simplify right side
    89,370.39x = 6,053,888,984.58
  5. Step 5: Solve for x
    x = 6,053,888,984.58/89,370.39
  6. Step 6: Final answer
    x = 67,739.32

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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.