Home / 55,481.20-76,542.53-35,334.47

Finding the Fourth Proportional to 55,481.20, 76,542.53 and 35,334.47

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Solution

The fourth proportional to 55,481.20, 76,542.53 and 35,334.47 is: 48,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,481.20 : 76,542.53 = 35,334.47 : x
  2. Step 2: Convert to fraction form
    55,481.20/76,542.53 = 35,334.47/x
  3. Step 3: Cross multiply
    55,481.20x = 76,542.53 × 35,334.47
  4. Step 4: Simplify right side
    55,481.20x = 2,704,590,009.70
  5. Step 5: Solve for x
    x = 2,704,590,009.70/55,481.20
  6. Step 6: Final answer
    x = 48,747.87

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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.