Home / 54,502.20-81,645.30-48,007.80

Finding the Fourth Proportional to 54,502.20, 81,645.30 and 48,007.80

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Solution

The fourth proportional to 54,502.20, 81,645.30 and 48,007.80 is: 71,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,502.20 : 81,645.30 = 48,007.80 : x
  2. Step 2: Convert to fraction form
    54,502.20/81,645.30 = 48,007.80/x
  3. Step 3: Cross multiply
    54,502.20x = 81,645.30 × 48,007.80
  4. Step 4: Simplify right side
    54,502.20x = 3,919,611,233.34
  5. Step 5: Solve for x
    x = 3,919,611,233.34/54,502.20
  6. Step 6: Final answer
    x = 71,916.57

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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.