Home / 49,808.52-68,754.15-30,691.44

Finding the Fourth Proportional to 49,808.52, 68,754.15 and 30,691.44

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Solution

The fourth proportional to 49,808.52, 68,754.15 and 30,691.44 is: 42,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,808.52 : 68,754.15 = 30,691.44 : x
  2. Step 2: Convert to fraction form
    49,808.52/68,754.15 = 30,691.44/x
  3. Step 3: Cross multiply
    49,808.52x = 68,754.15 × 30,691.44
  4. Step 4: Simplify right side
    49,808.52x = 2,110,163,869.48
  5. Step 5: Solve for x
    x = 2,110,163,869.48/49,808.52
  6. Step 6: Final answer
    x = 42,365.52

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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.