Home / 83,012.20-124,475.04-29,683.62

Finding the Fourth Proportional to 83,012.20, 124,475.04 and 29,683.62

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Solution

The fourth proportional to 83,012.20, 124,475.04 and 29,683.62 is: 44,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,012.20 : 124,475.04 = 29,683.62 : x
  2. Step 2: Convert to fraction form
    83,012.20/124,475.04 = 29,683.62/x
  3. Step 3: Cross multiply
    83,012.20x = 124,475.04 × 29,683.62
  4. Step 4: Simplify right side
    83,012.20x = 3,694,869,786.84
  5. Step 5: Solve for x
    x = 3,694,869,786.84/83,012.20
  6. Step 6: Final answer
    x = 44,509.96

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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.