Home / 62,291.78-85,932.77-40,772.06

Finding the Fourth Proportional to 62,291.78, 85,932.77 and 40,772.06

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Solution

The fourth proportional to 62,291.78, 85,932.77 and 40,772.06 is: 56,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,291.78 : 85,932.77 = 40,772.06 : x
  2. Step 2: Convert to fraction form
    62,291.78/85,932.77 = 40,772.06/x
  3. Step 3: Cross multiply
    62,291.78x = 85,932.77 × 40,772.06
  4. Step 4: Simplify right side
    62,291.78x = 3,503,656,087.14
  5. Step 5: Solve for x
    x = 3,503,656,087.14/62,291.78
  6. Step 6: Final answer
    x = 56,245.88

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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.