Home / 56,512.44-77,993.86-31,363.56

Finding the Fourth Proportional to 56,512.44, 77,993.86 and 31,363.56

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Solution

The fourth proportional to 56,512.44, 77,993.86 and 31,363.56 is: 43,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,512.44 : 77,993.86 = 31,363.56 : x
  2. Step 2: Convert to fraction form
    56,512.44/77,993.86 = 31,363.56/x
  3. Step 3: Cross multiply
    56,512.44x = 77,993.86 × 31,363.56
  4. Step 4: Simplify right side
    56,512.44x = 2,446,165,107.74
  5. Step 5: Solve for x
    x = 2,446,165,107.74/56,512.44
  6. Step 6: Final answer
    x = 43,285.43

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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.