Home / 83,398.45-125,110.62-28,007.41

Finding the Fourth Proportional to 83,398.45, 125,110.62 and 28,007.41

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Solution

The fourth proportional to 83,398.45, 125,110.62 and 28,007.41 is: 42,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,398.45 : 125,110.62 = 28,007.41 : x
  2. Step 2: Convert to fraction form
    83,398.45/125,110.62 = 28,007.41/x
  3. Step 3: Cross multiply
    83,398.45x = 125,110.62 × 28,007.41
  4. Step 4: Simplify right side
    83,398.45x = 3,504,023,804.14
  5. Step 5: Solve for x
    x = 3,504,023,804.14/83,398.45
  6. Step 6: Final answer
    x = 42,015.46

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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.