Home / 89,178.57-123,066.39-48,891.47

Finding the Fourth Proportional to 89,178.57, 123,066.39 and 48,891.47

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Solution

The fourth proportional to 89,178.57, 123,066.39 and 48,891.47 is: 67,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,178.57 : 123,066.39 = 48,891.47 : x
  2. Step 2: Convert to fraction form
    89,178.57/123,066.39 = 48,891.47/x
  3. Step 3: Cross multiply
    89,178.57x = 123,066.39 × 48,891.47
  4. Step 4: Simplify right side
    89,178.57x = 6,016,896,099.36
  5. Step 5: Solve for x
    x = 6,016,896,099.36/89,178.57
  6. Step 6: Final answer
    x = 67,470.20

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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.