Home / 101,633.24-140,249.15-55,692.61

Finding the Fourth Proportional to 101,633.24, 140,249.15 and 55,692.61

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Solution

The fourth proportional to 101,633.24, 140,249.15 and 55,692.61 is: 76,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,633.24 : 140,249.15 = 55,692.61 : x
  2. Step 2: Convert to fraction form
    101,633.24/140,249.15 = 55,692.61/x
  3. Step 3: Cross multiply
    101,633.24x = 140,249.15 × 55,692.61
  4. Step 4: Simplify right side
    101,633.24x = 7,810,840,834.13
  5. Step 5: Solve for x
    x = 7,810,840,834.13/101,633.24
  6. Step 6: Final answer
    x = 76,853.21

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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.