Home / 61,826.50-92,747.10-19,691.78

Finding the Fourth Proportional to 61,826.50, 92,747.10 and 19,691.78

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Solution

The fourth proportional to 61,826.50, 92,747.10 and 19,691.78 is: 29,540.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,826.50 : 92,747.10 = 19,691.78 : x
  2. Step 2: Convert to fraction form
    61,826.50/92,747.10 = 19,691.78/x
  3. Step 3: Cross multiply
    61,826.50x = 92,747.10 × 19,691.78
  4. Step 4: Simplify right side
    61,826.50x = 1,826,355,488.84
  5. Step 5: Solve for x
    x = 1,826,355,488.84/61,826.50
  6. Step 6: Final answer
    x = 29,540.01

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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.