Home / 89,891.08-124,049.59-49,604.83

Finding the Fourth Proportional to 89,891.08, 124,049.59 and 49,604.83

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Solution

The fourth proportional to 89,891.08, 124,049.59 and 49,604.83 is: 68,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,891.08 : 124,049.59 = 49,604.83 : x
  2. Step 2: Convert to fraction form
    89,891.08/124,049.59 = 49,604.83/x
  3. Step 3: Cross multiply
    89,891.08x = 124,049.59 × 49,604.83
  4. Step 4: Simplify right side
    89,891.08x = 6,153,458,823.52
  5. Step 5: Solve for x
    x = 6,153,458,823.52/89,891.08
  6. Step 6: Final answer
    x = 68,454.61

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1.5x scale

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.