Home / 67,979.67-102,031.76-34,723.05

Finding the Fourth Proportional to 67,979.67, 102,031.76 and 34,723.05

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Solution

The fourth proportional to 67,979.67, 102,031.76 and 34,723.05 is: 52,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,979.67 : 102,031.76 = 34,723.05 : x
  2. Step 2: Convert to fraction form
    67,979.67/102,031.76 = 34,723.05/x
  3. Step 3: Cross multiply
    67,979.67x = 102,031.76 × 34,723.05
  4. Step 4: Simplify right side
    67,979.67x = 3,542,853,904.07
  5. Step 5: Solve for x
    x = 3,542,853,904.07/67,979.67
  6. Step 6: Final answer
    x = 52,116.37

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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.