Home / 89,338.44-123,287.28-49,054.80

Finding the Fourth Proportional to 89,338.44, 123,287.28 and 49,054.80

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Solution

The fourth proportional to 89,338.44, 123,287.28 and 49,054.80 is: 67,695.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,338.44 : 123,287.28 = 49,054.80 : x
  2. Step 2: Convert to fraction form
    89,338.44/123,287.28 = 49,054.80/x
  3. Step 3: Cross multiply
    89,338.44x = 123,287.28 × 49,054.80
  4. Step 4: Simplify right side
    89,338.44x = 6,047,832,862.94
  5. Step 5: Solve for x
    x = 6,047,832,862.94/89,338.44
  6. Step 6: Final answer
    x = 67,695.75

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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.