Home / 73,211.80-109,692.21-49,151.04

Finding the Fourth Proportional to 73,211.80, 109,692.21 and 49,151.04

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Solution

The fourth proportional to 73,211.80, 109,692.21 and 49,151.04 is: 73,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,211.80 : 109,692.21 = 49,151.04 : x
  2. Step 2: Convert to fraction form
    73,211.80/109,692.21 = 49,151.04/x
  3. Step 3: Cross multiply
    73,211.80x = 109,692.21 × 49,151.04
  4. Step 4: Simplify right side
    73,211.80x = 5,391,486,201.40
  5. Step 5: Solve for x
    x = 5,391,486,201.40/73,211.80
  6. Step 6: Final answer
    x = 73,642.31

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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.