Home / 75,640.54-113,471.21-25,707.24

Finding the Fourth Proportional to 75,640.54, 113,471.21 and 25,707.24

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Solution

The fourth proportional to 75,640.54, 113,471.21 and 25,707.24 is: 38,564.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,640.54 : 113,471.21 = 25,707.24 : x
  2. Step 2: Convert to fraction form
    75,640.54/113,471.21 = 25,707.24/x
  3. Step 3: Cross multiply
    75,640.54x = 113,471.21 × 25,707.24
  4. Step 4: Simplify right side
    75,640.54x = 2,917,031,061.20
  5. Step 5: Solve for x
    x = 2,917,031,061.20/75,640.54
  6. Step 6: Final answer
    x = 38,564.39

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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.