Home / 49,829.40-68,764.20-27,168.78

Finding the Fourth Proportional to 49,829.40, 68,764.20 and 27,168.78

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Solution

The fourth proportional to 49,829.40, 68,764.20 and 27,168.78 is: 37,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,829.40 : 68,764.20 = 27,168.78 : x
  2. Step 2: Convert to fraction form
    49,829.40/68,764.20 = 27,168.78/x
  3. Step 3: Cross multiply
    49,829.40x = 68,764.20 × 27,168.78
  4. Step 4: Simplify right side
    49,829.40x = 1,868,239,421.68
  5. Step 5: Solve for x
    x = 1,868,239,421.68/49,829.40
  6. Step 6: Final answer
    x = 37,492.71

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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.