Home / 89,330.14-123,279.06-49,045.60

Finding the Fourth Proportional to 89,330.14, 123,279.06 and 49,045.60

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Solution

The fourth proportional to 89,330.14, 123,279.06 and 49,045.60 is: 67,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,330.14 : 123,279.06 = 49,045.60 : x
  2. Step 2: Convert to fraction form
    89,330.14/123,279.06 = 49,045.60/x
  3. Step 3: Cross multiply
    89,330.14x = 123,279.06 × 49,045.60
  4. Step 4: Simplify right side
    89,330.14x = 6,046,295,465.14
  5. Step 5: Solve for x
    x = 6,046,295,465.14/89,330.14
  6. Step 6: Final answer
    x = 67,684.83

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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.