Home / 101,633.38-140,249.34-55,692.75

Finding the Fourth Proportional to 101,633.38, 140,249.34 and 55,692.75

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Solution

The fourth proportional to 101,633.38, 140,249.34 and 55,692.75 is: 76,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,633.38 : 140,249.34 = 55,692.75 : x
  2. Step 2: Convert to fraction form
    101,633.38/140,249.34 = 55,692.75/x
  3. Step 3: Cross multiply
    101,633.38x = 140,249.34 × 55,692.75
  4. Step 4: Simplify right side
    101,633.38x = 7,810,871,561.77
  5. Step 5: Solve for x
    x = 7,810,871,561.77/101,633.38
  6. Step 6: Final answer
    x = 76,853.41

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1.5x scale

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.