Home / 80,233.68-120,332.88-26,933.16

Finding the Fourth Proportional to 80,233.68, 120,332.88 and 26,933.16

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Solution

The fourth proportional to 80,233.68, 120,332.88 and 26,933.16 is: 40,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,233.68 : 120,332.88 = 26,933.16 : x
  2. Step 2: Convert to fraction form
    80,233.68/120,332.88 = 26,933.16/x
  3. Step 3: Cross multiply
    80,233.68x = 120,332.88 × 26,933.16
  4. Step 4: Simplify right side
    80,233.68x = 3,240,944,710.30
  5. Step 5: Solve for x
    x = 3,240,944,710.30/80,233.68
  6. Step 6: Final answer
    x = 40,393.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.