Home / 45,705.81-68,531.01-29,891.73

Finding the Fourth Proportional to 45,705.81, 68,531.01 and 29,891.73

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Solution

The fourth proportional to 45,705.81, 68,531.01 and 29,891.73 is: 44,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,705.81 : 68,531.01 = 29,891.73 : x
  2. Step 2: Convert to fraction form
    45,705.81/68,531.01 = 29,891.73/x
  3. Step 3: Cross multiply
    45,705.81x = 68,531.01 × 29,891.73
  4. Step 4: Simplify right side
    45,705.81x = 2,048,510,447.55
  5. Step 5: Solve for x
    x = 2,048,510,447.55/45,705.81
  6. Step 6: Final answer
    x = 44,819.48

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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.