Home / 56,247.22-77,684.97-38,311.12

Finding the Fourth Proportional to 56,247.22, 77,684.97 and 38,311.12

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Solution

The fourth proportional to 56,247.22, 77,684.97 and 38,311.12 is: 52,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,247.22 : 77,684.97 = 38,311.12 : x
  2. Step 2: Convert to fraction form
    56,247.22/77,684.97 = 38,311.12/x
  3. Step 3: Cross multiply
    56,247.22x = 77,684.97 × 38,311.12
  4. Step 4: Simplify right side
    56,247.22x = 2,976,198,207.87
  5. Step 5: Solve for x
    x = 2,976,198,207.87/56,247.22
  6. Step 6: Final answer
    x = 52,912.81

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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.