Home / 83,851.32-125,777.07-21,521.82

Finding the Fourth Proportional to 83,851.32, 125,777.07 and 21,521.82

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Solution

The fourth proportional to 83,851.32, 125,777.07 and 21,521.82 is: 32,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,851.32 : 125,777.07 = 21,521.82 : x
  2. Step 2: Convert to fraction form
    83,851.32/125,777.07 = 21,521.82/x
  3. Step 3: Cross multiply
    83,851.32x = 125,777.07 × 21,521.82
  4. Step 4: Simplify right side
    83,851.32x = 2,706,951,460.67
  5. Step 5: Solve for x
    x = 2,706,951,460.67/83,851.32
  6. Step 6: Final answer
    x = 32,282.75

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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.