Home / 76,935.22-115,605.78-41,422.79

Finding the Fourth Proportional to 76,935.22, 115,605.78 and 41,422.79

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Solution

The fourth proportional to 76,935.22, 115,605.78 and 41,422.79 is: 62,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,935.22 : 115,605.78 = 41,422.79 : x
  2. Step 2: Convert to fraction form
    76,935.22/115,605.78 = 41,422.79/x
  3. Step 3: Cross multiply
    76,935.22x = 115,605.78 × 41,422.79
  4. Step 4: Simplify right side
    76,935.22x = 4,788,714,314.41
  5. Step 5: Solve for x
    x = 4,788,714,314.41/76,935.22
  6. Step 6: Final answer
    x = 62,243.46

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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.