Home / 88,669.68-122,367.11-48,385.65

Finding the Fourth Proportional to 88,669.68, 122,367.11 and 48,385.65

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Solution

The fourth proportional to 88,669.68, 122,367.11 and 48,385.65 is: 66,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,669.68 : 122,367.11 = 48,385.65 : x
  2. Step 2: Convert to fraction form
    88,669.68/122,367.11 = 48,385.65/x
  3. Step 3: Cross multiply
    88,669.68x = 122,367.11 × 48,385.65
  4. Step 4: Simplify right side
    88,669.68x = 5,920,812,645.09
  5. Step 5: Solve for x
    x = 5,920,812,645.09/88,669.68
  6. Step 6: Final answer
    x = 66,773.81

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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.