Home / 106,374.62-159,585.26-31,500.60

Finding the Fourth Proportional to 106,374.62, 159,585.26 and 31,500.60

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Solution

The fourth proportional to 106,374.62, 159,585.26 and 31,500.60 is: 47,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,374.62 : 159,585.26 = 31,500.60 : x
  2. Step 2: Convert to fraction form
    106,374.62/159,585.26 = 31,500.60/x
  3. Step 3: Cross multiply
    106,374.62x = 159,585.26 × 31,500.60
  4. Step 4: Simplify right side
    106,374.62x = 5,027,031,283.65
  5. Step 5: Solve for x
    x = 5,027,031,283.65/106,374.62
  6. Step 6: Final answer
    x = 47,257.81

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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.