Home / 74,972.24-112,456.12-19,568.24

Finding the Fourth Proportional to 74,972.24, 112,456.12 and 19,568.24

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Solution

The fourth proportional to 74,972.24, 112,456.12 and 19,568.24 is: 29,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,972.24 : 112,456.12 = 19,568.24 : x
  2. Step 2: Convert to fraction form
    74,972.24/112,456.12 = 19,568.24/x
  3. Step 3: Cross multiply
    74,972.24x = 112,456.12 × 19,568.24
  4. Step 4: Simplify right side
    74,972.24x = 2,200,568,345.63
  5. Step 5: Solve for x
    x = 2,200,568,345.63/74,972.24
  6. Step 6: Final answer
    x = 29,351.78

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1.5x scale

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.