Home / 80,347.76-120,473.04-35,966.24

Finding the Fourth Proportional to 80,347.76, 120,473.04 and 35,966.24

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Solution

The fourth proportional to 80,347.76, 120,473.04 and 35,966.24 is: 53,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,347.76 : 120,473.04 = 35,966.24 : x
  2. Step 2: Convert to fraction form
    80,347.76/120,473.04 = 35,966.24/x
  3. Step 3: Cross multiply
    80,347.76x = 120,473.04 × 35,966.24
  4. Step 4: Simplify right side
    80,347.76x = 4,332,962,571.35
  5. Step 5: Solve for x
    x = 4,332,962,571.35/80,347.76
  6. Step 6: Final answer
    x = 53,927.61

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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.