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Finding the Fourth Proportional to 73,776.60, 110,692.85 and 44,215.65

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Solution

The fourth proportional to 73,776.60, 110,692.85 and 44,215.65 is: 66,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,776.60 : 110,692.85 = 44,215.65 : x
  2. Step 2: Convert to fraction form
    73,776.60/110,692.85 = 44,215.65/x
  3. Step 3: Cross multiply
    73,776.60x = 110,692.85 × 44,215.65
  4. Step 4: Simplify right side
    73,776.60x = 4,894,356,092.02
  5. Step 5: Solve for x
    x = 4,894,356,092.02/73,776.60
  6. Step 6: Final answer
    x = 66,340.22

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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.