Home / 79,554.24-109,787.40-43,747.56

Finding the Fourth Proportional to 79,554.24, 109,787.40 and 43,747.56

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Solution

The fourth proportional to 79,554.24, 109,787.40 and 43,747.56 is: 60,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,554.24 : 109,787.40 = 43,747.56 : x
  2. Step 2: Convert to fraction form
    79,554.24/109,787.40 = 43,747.56/x
  3. Step 3: Cross multiply
    79,554.24x = 109,787.40 × 43,747.56
  4. Step 4: Simplify right side
    79,554.24x = 4,802,930,868.74
  5. Step 5: Solve for x
    x = 4,802,930,868.74/79,554.24
  6. Step 6: Final answer
    x = 60,373.03

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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.