Home / 67,983.12-102,025.74-34,731

Finding the Fourth Proportional to 67,983.12, 102,025.74 and 34,731

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Solution

The fourth proportional to 67,983.12, 102,025.74 and 34,731 is: 52,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,983.12 : 102,025.74 = 34,731 : x
  2. Step 2: Convert to fraction form
    67,983.12/102,025.74 = 34,731/x
  3. Step 3: Cross multiply
    67,983.12x = 102,025.74 × 34,731
  4. Step 4: Simplify right side
    67,983.12x = 3,543,455,975.94
  5. Step 5: Solve for x
    x = 3,543,455,975.94/67,983.12
  6. Step 6: Final answer
    x = 52,122.59

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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.