Home / 77,682.67-116,610.47-40,232.72

Finding the Fourth Proportional to 77,682.67, 116,610.47 and 40,232.72

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Solution

The fourth proportional to 77,682.67, 116,610.47 and 40,232.72 is: 60,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,682.67 : 116,610.47 = 40,232.72 : x
  2. Step 2: Convert to fraction form
    77,682.67/116,610.47 = 40,232.72/x
  3. Step 3: Cross multiply
    77,682.67x = 116,610.47 × 40,232.72
  4. Step 4: Simplify right side
    77,682.67x = 4,691,556,388.58
  5. Step 5: Solve for x
    x = 4,691,556,388.58/77,682.67
  6. Step 6: Final answer
    x = 60,393.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.