Home / 74,164.71-111,202.22-29,132.16

Finding the Fourth Proportional to 74,164.71, 111,202.22 and 29,132.16

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Solution

The fourth proportional to 74,164.71, 111,202.22 and 29,132.16 is: 43,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,164.71 : 111,202.22 = 29,132.16 : x
  2. Step 2: Convert to fraction form
    74,164.71/111,202.22 = 29,132.16/x
  3. Step 3: Cross multiply
    74,164.71x = 111,202.22 × 29,132.16
  4. Step 4: Simplify right side
    74,164.71x = 3,239,560,719.73
  5. Step 5: Solve for x
    x = 3,239,560,719.73/74,164.71
  6. Step 6: Final answer
    x = 43,680.62

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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.