Home / 83,398.56-125,110.80-28,007.52

Finding the Fourth Proportional to 83,398.56, 125,110.80 and 28,007.52

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Solution

The fourth proportional to 83,398.56, 125,110.80 and 28,007.52 is: 42,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,398.56 : 125,110.80 = 28,007.52 : x
  2. Step 2: Convert to fraction form
    83,398.56/125,110.80 = 28,007.52/x
  3. Step 3: Cross multiply
    83,398.56x = 125,110.80 × 28,007.52
  4. Step 4: Simplify right side
    83,398.56x = 3,504,043,233.22
  5. Step 5: Solve for x
    x = 3,504,043,233.22/83,398.56
  6. Step 6: Final answer
    x = 42,015.63

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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.