Home / 85,132.74-117,481.52-58,274.54

Finding the Fourth Proportional to 85,132.74, 117,481.52 and 58,274.54

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Solution

The fourth proportional to 85,132.74, 117,481.52 and 58,274.54 is: 80,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132.74 : 117,481.52 = 58,274.54 : x
  2. Step 2: Convert to fraction form
    85,132.74/117,481.52 = 58,274.54/x
  3. Step 3: Cross multiply
    85,132.74x = 117,481.52 × 58,274.54
  4. Step 4: Simplify right side
    85,132.74x = 6,846,181,536.50
  5. Step 5: Solve for x
    x = 6,846,181,536.50/85,132.74
  6. Step 6: Final answer
    x = 80,417.73

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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.