Home / 56,906.74-78,517.52-36,479.48

Finding the Fourth Proportional to 56,906.74, 78,517.52 and 36,479.48

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Solution

The fourth proportional to 56,906.74, 78,517.52 and 36,479.48 is: 50,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,906.74 : 78,517.52 = 36,479.48 : x
  2. Step 2: Convert to fraction form
    56,906.74/78,517.52 = 36,479.48/x
  3. Step 3: Cross multiply
    56,906.74x = 78,517.52 × 36,479.48
  4. Step 4: Simplify right side
    56,906.74x = 2,864,278,067.50
  5. Step 5: Solve for x
    x = 2,864,278,067.50/56,906.74
  6. Step 6: Final answer
    x = 50,332.84

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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.