Home / 45,712.22-63,121.79-28,744.85

Finding the Fourth Proportional to 45,712.22, 63,121.79 and 28,744.85

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Solution

The fourth proportional to 45,712.22, 63,121.79 and 28,744.85 is: 39,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,712.22 : 63,121.79 = 28,744.85 : x
  2. Step 2: Convert to fraction form
    45,712.22/63,121.79 = 28,744.85/x
  3. Step 3: Cross multiply
    45,712.22x = 63,121.79 × 28,744.85
  4. Step 4: Simplify right side
    45,712.22x = 1,814,426,614.95
  5. Step 5: Solve for x
    x = 1,814,426,614.95/45,712.22
  6. Step 6: Final answer
    x = 39,692.38

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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.