Home / 79,650.06-109,917.10-43,839.81

Finding the Fourth Proportional to 79,650.06, 109,917.10 and 43,839.81

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Solution

The fourth proportional to 79,650.06, 109,917.10 and 43,839.81 is: 60,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,650.06 : 109,917.10 = 43,839.81 : x
  2. Step 2: Convert to fraction form
    79,650.06/109,917.10 = 43,839.81/x
  3. Step 3: Cross multiply
    79,650.06x = 109,917.10 × 43,839.81
  4. Step 4: Simplify right side
    79,650.06x = 4,818,744,779.75
  5. Step 5: Solve for x
    x = 4,818,744,779.75/79,650.06
  6. Step 6: Final answer
    x = 60,498.95

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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.