Home / 77,836.26-107,394.22-47,610.54

Finding the Fourth Proportional to 77,836.26, 107,394.22 and 47,610.54

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Solution

The fourth proportional to 77,836.26, 107,394.22 and 47,610.54 is: 65,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,836.26 : 107,394.22 = 47,610.54 : x
  2. Step 2: Convert to fraction form
    77,836.26/107,394.22 = 47,610.54/x
  3. Step 3: Cross multiply
    77,836.26x = 107,394.22 × 47,610.54
  4. Step 4: Simplify right side
    77,836.26x = 5,113,096,807.08
  5. Step 5: Solve for x
    x = 5,113,096,807.08/77,836.26
  6. Step 6: Final answer
    x = 65,690.42

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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.