Home / 89,175.42-123,065.19-48,889.26

Finding the Fourth Proportional to 89,175.42, 123,065.19 and 48,889.26

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Solution

The fourth proportional to 89,175.42, 123,065.19 and 48,889.26 is: 67,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,175.42 : 123,065.19 = 48,889.26 : x
  2. Step 2: Convert to fraction form
    89,175.42/123,065.19 = 48,889.26/x
  3. Step 3: Cross multiply
    89,175.42x = 123,065.19 × 48,889.26
  4. Step 4: Simplify right side
    89,175.42x = 6,016,566,070.86
  5. Step 5: Solve for x
    x = 6,016,566,070.86/89,175.42
  6. Step 6: Final answer
    x = 67,468.88

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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.