Home / 75,258.83-112,906.92-30,283.17

Finding the Fourth Proportional to 75,258.83, 112,906.92 and 30,283.17

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Solution

The fourth proportional to 75,258.83, 112,906.92 and 30,283.17 is: 45,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,258.83 : 112,906.92 = 30,283.17 : x
  2. Step 2: Convert to fraction form
    75,258.83/112,906.92 = 30,283.17/x
  3. Step 3: Cross multiply
    75,258.83x = 112,906.92 × 30,283.17
  4. Step 4: Simplify right side
    75,258.83x = 3,419,179,452.54
  5. Step 5: Solve for x
    x = 3,419,179,452.54/75,258.83
  6. Step 6: Final answer
    x = 45,432.27

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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.