Home / 89,003.68-122,825.12-48,717.65

Finding the Fourth Proportional to 89,003.68, 122,825.12 and 48,717.65

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Solution

The fourth proportional to 89,003.68, 122,825.12 and 48,717.65 is: 67,230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,003.68 : 122,825.12 = 48,717.65 : x
  2. Step 2: Convert to fraction form
    89,003.68/122,825.12 = 48,717.65/x
  3. Step 3: Cross multiply
    89,003.68x = 122,825.12 × 48,717.65
  4. Step 4: Simplify right side
    89,003.68x = 5,983,751,207.37
  5. Step 5: Solve for x
    x = 5,983,751,207.37/89,003.68
  6. Step 6: Final answer
    x = 67,230.38

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Double scale
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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.