Home / 82,560.54-113,968.43-55,739.39

Finding the Fourth Proportional to 82,560.54, 113,968.43 and 55,739.39

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Solution

The fourth proportional to 82,560.54, 113,968.43 and 55,739.39 is: 76,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,560.54 : 113,968.43 = 55,739.39 : x
  2. Step 2: Convert to fraction form
    82,560.54/113,968.43 = 55,739.39/x
  3. Step 3: Cross multiply
    82,560.54x = 113,968.43 × 55,739.39
  4. Step 4: Simplify right side
    82,560.54x = 6,352,530,127.94
  5. Step 5: Solve for x
    x = 6,352,530,127.94/82,560.54
  6. Step 6: Final answer
    x = 76,943.90

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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.