Home / 89,159.44-123,039.56-48,874.88

Finding the Fourth Proportional to 89,159.44, 123,039.56 and 48,874.88

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Solution

The fourth proportional to 89,159.44, 123,039.56 and 48,874.88 is: 67,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,159.44 : 123,039.56 = 48,874.88 : x
  2. Step 2: Convert to fraction form
    89,159.44/123,039.56 = 48,874.88/x
  3. Step 3: Cross multiply
    89,159.44x = 123,039.56 × 48,874.88
  4. Step 4: Simplify right side
    89,159.44x = 6,013,543,730.25
  5. Step 5: Solve for x
    x = 6,013,543,730.25/89,159.44
  6. Step 6: Final answer
    x = 67,447.08

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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.