Home / 103,847.20-155,843.70-44,725.30

Finding the Fourth Proportional to 103,847.20, 155,843.70 and 44,725.30

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Solution

The fourth proportional to 103,847.20, 155,843.70 and 44,725.30 is: 67,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,847.20 : 155,843.70 = 44,725.30 : x
  2. Step 2: Convert to fraction form
    103,847.20/155,843.70 = 44,725.30/x
  3. Step 3: Cross multiply
    103,847.20x = 155,843.70 × 44,725.30
  4. Step 4: Simplify right side
    103,847.20x = 6,970,156,235.61
  5. Step 5: Solve for x
    x = 6,970,156,235.61/103,847.20
  6. Step 6: Final answer
    x = 67,119.35

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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.