Home / 89,175.48-123,074.73-55,194.90

Finding the Fourth Proportional to 89,175.48, 123,074.73 and 55,194.90

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Solution

The fourth proportional to 89,175.48, 123,074.73 and 55,194.90 is: 76,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,175.48 : 123,074.73 = 55,194.90 : x
  2. Step 2: Convert to fraction form
    89,175.48/123,074.73 = 55,194.90/x
  3. Step 3: Cross multiply
    89,175.48x = 123,074.73 × 55,194.90
  4. Step 4: Simplify right side
    89,175.48x = 6,793,097,414.88
  5. Step 5: Solve for x
    x = 6,793,097,414.88/89,175.48
  6. Step 6: Final answer
    x = 76,176.74

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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.