Home / 49,540.75-68,314.13-38,212.09

Finding the Fourth Proportional to 49,540.75, 68,314.13 and 38,212.09

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Solution

The fourth proportional to 49,540.75, 68,314.13 and 38,212.09 is: 52,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,540.75 : 68,314.13 = 38,212.09 : x
  2. Step 2: Convert to fraction form
    49,540.75/68,314.13 = 38,212.09/x
  3. Step 3: Cross multiply
    49,540.75x = 68,314.13 × 38,212.09
  4. Step 4: Simplify right side
    49,540.75x = 2,610,425,492.77
  5. Step 5: Solve for x
    x = 2,610,425,492.77/49,540.75
  6. Step 6: Final answer
    x = 52,692.49

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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.