Home / 74,228.84-111,381.54-34,789.96

Finding the Fourth Proportional to 74,228.84, 111,381.54 and 34,789.96

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Solution

The fourth proportional to 74,228.84, 111,381.54 and 34,789.96 is: 52,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,228.84 : 111,381.54 = 34,789.96 : x
  2. Step 2: Convert to fraction form
    74,228.84/111,381.54 = 34,789.96/x
  3. Step 3: Cross multiply
    74,228.84x = 111,381.54 × 34,789.96
  4. Step 4: Simplify right side
    74,228.84x = 3,874,959,321.34
  5. Step 5: Solve for x
    x = 3,874,959,321.34/74,228.84
  6. Step 6: Final answer
    x = 52,202.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.