Home / 79,551.61-109,778.38-43,741.31

Finding the Fourth Proportional to 79,551.61, 109,778.38 and 43,741.31

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Solution

The fourth proportional to 79,551.61, 109,778.38 and 43,741.31 is: 60,361.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,551.61 : 109,778.38 = 43,741.31 : x
  2. Step 2: Convert to fraction form
    79,551.61/109,778.38 = 43,741.31/x
  3. Step 3: Cross multiply
    79,551.61x = 109,778.38 × 43,741.31
  4. Step 4: Simplify right side
    79,551.61x = 4,801,849,383.28
  5. Step 5: Solve for x
    x = 4,801,849,383.28/79,551.61
  6. Step 6: Final answer
    x = 60,361.44

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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.