Home / 74,473.68-111,711.96-27,717.12

Finding the Fourth Proportional to 74,473.68, 111,711.96 and 27,717.12

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Solution

The fourth proportional to 74,473.68, 111,711.96 and 27,717.12 is: 41,576.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,473.68 : 111,711.96 = 27,717.12 : x
  2. Step 2: Convert to fraction form
    74,473.68/111,711.96 = 27,717.12/x
  3. Step 3: Cross multiply
    74,473.68x = 111,711.96 × 27,717.12
  4. Step 4: Simplify right side
    74,473.68x = 3,096,333,800.76
  5. Step 5: Solve for x
    x = 3,096,333,800.76/74,473.68
  6. Step 6: Final answer
    x = 41,576.22

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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.