Home / 68,334.20-102,578.10-52,820.60

Finding the Fourth Proportional to 68,334.20, 102,578.10 and 52,820.60

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Solution

The fourth proportional to 68,334.20, 102,578.10 and 52,820.60 is: 79,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,334.20 : 102,578.10 = 52,820.60 : x
  2. Step 2: Convert to fraction form
    68,334.20/102,578.10 = 52,820.60/x
  3. Step 3: Cross multiply
    68,334.20x = 102,578.10 × 52,820.60
  4. Step 4: Simplify right side
    68,334.20x = 5,418,236,788.86
  5. Step 5: Solve for x
    x = 5,418,236,788.86/68,334.20
  6. Step 6: Final answer
    x = 79,290.26

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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.