Home / 103,635.90-155,377.05-44,423.10

Finding the Fourth Proportional to 103,635.90, 155,377.05 and 44,423.10

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Solution

The fourth proportional to 103,635.90, 155,377.05 and 44,423.10 is: 66,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.90 : 155,377.05 = 44,423.10 : x
  2. Step 2: Convert to fraction form
    103,635.90/155,377.05 = 44,423.10/x
  3. Step 3: Cross multiply
    103,635.90x = 155,377.05 × 44,423.10
  4. Step 4: Simplify right side
    103,635.90x = 6,902,330,229.86
  5. Step 5: Solve for x
    x = 6,902,330,229.86/103,635.90
  6. Step 6: Final answer
    x = 66,601.73

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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.