Home / 56,218.24-77,576.52-31,067.68

Finding the Fourth Proportional to 56,218.24, 77,576.52 and 31,067.68

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Solution

The fourth proportional to 56,218.24, 77,576.52 and 31,067.68 is: 42,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,218.24 : 77,576.52 = 31,067.68 : x
  2. Step 2: Convert to fraction form
    56,218.24/77,576.52 = 31,067.68/x
  3. Step 3: Cross multiply
    56,218.24x = 77,576.52 × 31,067.68
  4. Step 4: Simplify right side
    56,218.24x = 2,410,122,498.87
  5. Step 5: Solve for x
    x = 2,410,122,498.87/56,218.24
  6. Step 6: Final answer
    x = 42,870.83

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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.