Home / 67,979.17-102,031.01-34,722.55

Finding the Fourth Proportional to 67,979.17, 102,031.01 and 34,722.55

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Solution

The fourth proportional to 67,979.17, 102,031.01 and 34,722.55 is: 52,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,979.17 : 102,031.01 = 34,722.55 : x
  2. Step 2: Convert to fraction form
    67,979.17/102,031.01 = 34,722.55/x
  3. Step 3: Cross multiply
    67,979.17x = 102,031.01 × 34,722.55
  4. Step 4: Simplify right side
    67,979.17x = 3,542,776,846.28
  5. Step 5: Solve for x
    x = 3,542,776,846.28/67,979.17
  6. Step 6: Final answer
    x = 52,115.62

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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.