Home / 83,398.68-125,050.06-25,680.95

Finding the Fourth Proportional to 83,398.68, 125,050.06 and 25,680.95

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Solution

The fourth proportional to 83,398.68, 125,050.06 and 25,680.95 is: 38,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,398.68 : 125,050.06 = 25,680.95 : x
  2. Step 2: Convert to fraction form
    83,398.68/125,050.06 = 25,680.95/x
  3. Step 3: Cross multiply
    83,398.68x = 125,050.06 × 25,680.95
  4. Step 4: Simplify right side
    83,398.68x = 3,211,404,338.36
  5. Step 5: Solve for x
    x = 3,211,404,338.36/83,398.68
  6. Step 6: Final answer
    x = 38,506.66

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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.