Home / 113,692.64-170,538.85-38,806.57

Finding the Fourth Proportional to 113,692.64, 170,538.85 and 38,806.57

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Solution

The fourth proportional to 113,692.64, 170,538.85 and 38,806.57 is: 58,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,692.64 : 170,538.85 = 38,806.57 : x
  2. Step 2: Convert to fraction form
    113,692.64/170,538.85 = 38,806.57/x
  3. Step 3: Cross multiply
    113,692.64x = 170,538.85 × 38,806.57
  4. Step 4: Simplify right side
    113,692.64x = 6,618,027,626.21
  5. Step 5: Solve for x
    x = 6,618,027,626.21/113,692.64
  6. Step 6: Final answer
    x = 58,209.82

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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.