Home / 103,663.42-155,396.61-40,524.04

Finding the Fourth Proportional to 103,663.42, 155,396.61 and 40,524.04

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Solution

The fourth proportional to 103,663.42, 155,396.61 and 40,524.04 is: 60,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,663.42 : 155,396.61 = 40,524.04 : x
  2. Step 2: Convert to fraction form
    103,663.42/155,396.61 = 40,524.04/x
  3. Step 3: Cross multiply
    103,663.42x = 155,396.61 × 40,524.04
  4. Step 4: Simplify right side
    103,663.42x = 6,297,298,439.50
  5. Step 5: Solve for x
    x = 6,297,298,439.50/103,663.42
  6. Step 6: Final answer
    x = 60,747.55

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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.