Home / 81,084.22-121,575.98-33,732.49

Finding the Fourth Proportional to 81,084.22, 121,575.98 and 33,732.49

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Solution

The fourth proportional to 81,084.22, 121,575.98 and 33,732.49 is: 50,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,084.22 : 121,575.98 = 33,732.49 : x
  2. Step 2: Convert to fraction form
    81,084.22/121,575.98 = 33,732.49/x
  3. Step 3: Cross multiply
    81,084.22x = 121,575.98 × 33,732.49
  4. Step 4: Simplify right side
    81,084.22x = 4,101,060,529.59
  5. Step 5: Solve for x
    x = 4,101,060,529.59/81,084.22
  6. Step 6: Final answer
    x = 50,577.79

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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.