Home / 88,742.88-122,464.54-48,456.61

Finding the Fourth Proportional to 88,742.88, 122,464.54 and 48,456.61

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Solution

The fourth proportional to 88,742.88, 122,464.54 and 48,456.61 is: 66,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,742.88 : 122,464.54 = 48,456.61 : x
  2. Step 2: Convert to fraction form
    88,742.88/122,464.54 = 48,456.61/x
  3. Step 3: Cross multiply
    88,742.88x = 122,464.54 × 48,456.61
  4. Step 4: Simplify right side
    88,742.88x = 5,934,216,453.61
  5. Step 5: Solve for x
    x = 5,934,216,453.61/88,742.88
  6. Step 6: Final answer
    x = 66,869.78

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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.