Home / 79,551.18-109,780.92-43,741.62

Finding the Fourth Proportional to 79,551.18, 109,780.92 and 43,741.62

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Solution

The fourth proportional to 79,551.18, 109,780.92 and 43,741.62 is: 60,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,551.18 : 109,780.92 = 43,741.62 : x
  2. Step 2: Convert to fraction form
    79,551.18/109,780.92 = 43,741.62/x
  3. Step 3: Cross multiply
    79,551.18x = 109,780.92 × 43,741.62
  4. Step 4: Simplify right side
    79,551.18x = 4,801,995,285.89
  5. Step 5: Solve for x
    x = 4,801,995,285.89/79,551.18
  6. Step 6: Final answer
    x = 60,363.60

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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.