Home / 88,689.42-122,524.68-58,135.04

Finding the Fourth Proportional to 88,689.42, 122,524.68 and 58,135.04

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Solution

The fourth proportional to 88,689.42, 122,524.68 and 58,135.04 is: 80,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,689.42 : 122,524.68 = 58,135.04 : x
  2. Step 2: Convert to fraction form
    88,689.42/122,524.68 = 58,135.04/x
  3. Step 3: Cross multiply
    88,689.42x = 122,524.68 × 58,135.04
  4. Step 4: Simplify right side
    88,689.42x = 7,122,976,684.26
  5. Step 5: Solve for x
    x = 7,122,976,684.26/88,689.42
  6. Step 6: Final answer
    x = 80,313.71

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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.