Home / 81,675.46-122,517.80-29,084.95

Finding the Fourth Proportional to 81,675.46, 122,517.80 and 29,084.95

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Solution

The fourth proportional to 81,675.46, 122,517.80 and 29,084.95 is: 43,629.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,675.46 : 122,517.80 = 29,084.95 : x
  2. Step 2: Convert to fraction form
    81,675.46/122,517.80 = 29,084.95/x
  3. Step 3: Cross multiply
    81,675.46x = 122,517.80 × 29,084.95
  4. Step 4: Simplify right side
    81,675.46x = 3,563,424,203.90
  5. Step 5: Solve for x
    x = 3,563,424,203.90/81,675.46
  6. Step 6: Final answer
    x = 43,629.07

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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.