Home / 79,262.24-109,381.20-43,451.60

Finding the Fourth Proportional to 79,262.24, 109,381.20 and 43,451.60

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Solution

The fourth proportional to 79,262.24, 109,381.20 and 43,451.60 is: 59,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,262.24 : 109,381.20 = 43,451.60 : x
  2. Step 2: Convert to fraction form
    79,262.24/109,381.20 = 43,451.60/x
  3. Step 3: Cross multiply
    79,262.24x = 109,381.20 × 43,451.60
  4. Step 4: Simplify right side
    79,262.24x = 4,752,788,149.92
  5. Step 5: Solve for x
    x = 4,752,788,149.92/79,262.24
  6. Step 6: Final answer
    x = 59,962.83

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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.