Home / 80,724.40-121,091.15-24,566.34

Finding the Fourth Proportional to 80,724.40, 121,091.15 and 24,566.34

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Solution

The fourth proportional to 80,724.40, 121,091.15 and 24,566.34 is: 36,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,724.40 : 121,091.15 = 24,566.34 : x
  2. Step 2: Convert to fraction form
    80,724.40/121,091.15 = 24,566.34/x
  3. Step 3: Cross multiply
    80,724.40x = 121,091.15 × 24,566.34
  4. Step 4: Simplify right side
    80,724.40x = 2,974,766,361.89
  5. Step 5: Solve for x
    x = 2,974,766,361.89/80,724.40
  6. Step 6: Final answer
    x = 36,850.89

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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.