Home / 83,032.68-124,539.78-29,722.56

Finding the Fourth Proportional to 83,032.68, 124,539.78 and 29,722.56

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Solution

The fourth proportional to 83,032.68, 124,539.78 and 29,722.56 is: 44,580.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,032.68 : 124,539.78 = 29,722.56 : x
  2. Step 2: Convert to fraction form
    83,032.68/124,539.78 = 29,722.56/x
  3. Step 3: Cross multiply
    83,032.68x = 124,539.78 × 29,722.56
  4. Step 4: Simplify right side
    83,032.68x = 3,701,641,083.44
  5. Step 5: Solve for x
    x = 3,701,641,083.44/83,032.68
  6. Step 6: Final answer
    x = 44,580.53

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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.