Home / 80,500.24-120,593.28-52,714

Finding the Fourth Proportional to 80,500.24, 120,593.28 and 52,714

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Solution

The fourth proportional to 80,500.24, 120,593.28 and 52,714 is: 78,968.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,500.24 : 120,593.28 = 52,714 : x
  2. Step 2: Convert to fraction form
    80,500.24/120,593.28 = 52,714/x
  3. Step 3: Cross multiply
    80,500.24x = 120,593.28 × 52,714
  4. Step 4: Simplify right side
    80,500.24x = 6,356,954,161.92
  5. Step 5: Solve for x
    x = 6,356,954,161.92/80,500.24
  6. Step 6: Final answer
    x = 78,968.14

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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.