Home / 120,062.42-165,692.51-69,082.90

Finding the Fourth Proportional to 120,062.42, 165,692.51 and 69,082.90

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Solution

The fourth proportional to 120,062.42, 165,692.51 and 69,082.90 is: 95,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,062.42 : 165,692.51 = 69,082.90 : x
  2. Step 2: Convert to fraction form
    120,062.42/165,692.51 = 69,082.90/x
  3. Step 3: Cross multiply
    120,062.42x = 165,692.51 × 69,082.90
  4. Step 4: Simplify right side
    120,062.42x = 11,446,518,857.56
  5. Step 5: Solve for x
    x = 11,446,518,857.56/120,062.42
  6. Step 6: Final answer
    x = 95,338.07

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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.