Home / 67,367.48-92,973.38-38,691.09

Finding the Fourth Proportional to 67,367.48, 92,973.38 and 38,691.09

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Solution

The fourth proportional to 67,367.48, 92,973.38 and 38,691.09 is: 53,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,367.48 : 92,973.38 = 38,691.09 : x
  2. Step 2: Convert to fraction form
    67,367.48/92,973.38 = 38,691.09/x
  3. Step 3: Cross multiply
    67,367.48x = 92,973.38 × 38,691.09
  4. Step 4: Simplify right side
    67,367.48x = 3,597,241,219.73
  5. Step 5: Solve for x
    x = 3,597,241,219.73/67,367.48
  6. Step 6: Final answer
    x = 53,397.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.