Home / 79,549.56-109,778.38-43,741.89

Finding the Fourth Proportional to 79,549.56, 109,778.38 and 43,741.89

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Solution

The fourth proportional to 79,549.56, 109,778.38 and 43,741.89 is: 60,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,549.56 : 109,778.38 = 43,741.89 : x
  2. Step 2: Convert to fraction form
    79,549.56/109,778.38 = 43,741.89/x
  3. Step 3: Cross multiply
    79,549.56x = 109,778.38 × 43,741.89
  4. Step 4: Simplify right side
    79,549.56x = 4,801,913,712.98
  5. Step 5: Solve for x
    x = 4,801,913,712.98/79,549.56
  6. Step 6: Final answer
    x = 60,363.80

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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.