Home / 57,776.27-79,565.40-49,644.95

Finding the Fourth Proportional to 57,776.27, 79,565.40 and 49,644.95

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Solution

The fourth proportional to 57,776.27, 79,565.40 and 49,644.95 is: 68,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,776.27 : 79,565.40 = 49,644.95 : x
  2. Step 2: Convert to fraction form
    57,776.27/79,565.40 = 49,644.95/x
  3. Step 3: Cross multiply
    57,776.27x = 79,565.40 × 49,644.95
  4. Step 4: Simplify right side
    57,776.27x = 3,950,019,906.90
  5. Step 5: Solve for x
    x = 3,950,019,906.90/57,776.27
  6. Step 6: Final answer
    x = 68,367.52

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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.