Home / 106,253.12-159,400.68-31,374.56

Finding the Fourth Proportional to 106,253.12, 159,400.68 and 31,374.56

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Solution

The fourth proportional to 106,253.12, 159,400.68 and 31,374.56 is: 47,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,253.12 : 159,400.68 = 31,374.56 : x
  2. Step 2: Convert to fraction form
    106,253.12/159,400.68 = 31,374.56/x
  3. Step 3: Cross multiply
    106,253.12x = 159,400.68 × 31,374.56
  4. Step 4: Simplify right side
    106,253.12x = 5,001,126,198.70
  5. Step 5: Solve for x
    x = 5,001,126,198.70/106,253.12
  6. Step 6: Final answer
    x = 47,068.04

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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.