Home / 67,727.40-101,682.30-39,676.20

Finding the Fourth Proportional to 67,727.40, 101,682.30 and 39,676.20

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Solution

The fourth proportional to 67,727.40, 101,682.30 and 39,676.20 is: 59,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,727.40 : 101,682.30 = 39,676.20 : x
  2. Step 2: Convert to fraction form
    67,727.40/101,682.30 = 39,676.20/x
  3. Step 3: Cross multiply
    67,727.40x = 101,682.30 × 39,676.20
  4. Step 4: Simplify right side
    67,727.40x = 4,034,367,271.26
  5. Step 5: Solve for x
    x = 4,034,367,271.26/67,727.40
  6. Step 6: Final answer
    x = 59,567.73

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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.