Home / 67,977.17-102,028.01-34,720.55

Finding the Fourth Proportional to 67,977.17, 102,028.01 and 34,720.55

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Solution

The fourth proportional to 67,977.17, 102,028.01 and 34,720.55 is: 52,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,977.17 : 102,028.01 = 34,720.55 : x
  2. Step 2: Convert to fraction form
    67,977.17/102,028.01 = 34,720.55/x
  3. Step 3: Cross multiply
    67,977.17x = 102,028.01 × 34,720.55
  4. Step 4: Simplify right side
    67,977.17x = 3,542,468,321.47
  5. Step 5: Solve for x
    x = 3,542,468,321.47/67,977.17
  6. Step 6: Final answer
    x = 52,112.62

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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.