Home / 45,242.11-67,863.18-30,996.54

Finding the Fourth Proportional to 45,242.11, 67,863.18 and 30,996.54

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Solution

The fourth proportional to 45,242.11, 67,863.18 and 30,996.54 is: 46,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,242.11 : 67,863.18 = 30,996.54 : x
  2. Step 2: Convert to fraction form
    45,242.11/67,863.18 = 30,996.54/x
  3. Step 3: Cross multiply
    45,242.11x = 67,863.18 × 30,996.54
  4. Step 4: Simplify right side
    45,242.11x = 2,103,523,889.63
  5. Step 5: Solve for x
    x = 2,103,523,889.63/45,242.11
  6. Step 6: Final answer
    x = 46,494.82

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1.5x scale

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.