Home / 103,806.24-155,685.42-40,627.86

Finding the Fourth Proportional to 103,806.24, 155,685.42 and 40,627.86

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Solution

The fourth proportional to 103,806.24, 155,685.42 and 40,627.86 is: 60,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,806.24 : 155,685.42 = 40,627.86 : x
  2. Step 2: Convert to fraction form
    103,806.24/155,685.42 = 40,627.86/x
  3. Step 3: Cross multiply
    103,806.24x = 155,685.42 × 40,627.86
  4. Step 4: Simplify right side
    103,806.24x = 6,325,165,447.80
  5. Step 5: Solve for x
    x = 6,325,165,447.80/103,806.24
  6. Step 6: Final answer
    x = 60,932.42

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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.