Home / 57,494.31-86,138.87-31,182.27

Finding the Fourth Proportional to 57,494.31, 86,138.87 and 31,182.27

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Solution

The fourth proportional to 57,494.31, 86,138.87 and 31,182.27 is: 46,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,494.31 : 86,138.87 = 31,182.27 : x
  2. Step 2: Convert to fraction form
    57,494.31/86,138.87 = 31,182.27/x
  3. Step 3: Cross multiply
    57,494.31x = 86,138.87 × 31,182.27
  4. Step 4: Simplify right side
    57,494.31x = 2,686,005,345.92
  5. Step 5: Solve for x
    x = 2,686,005,345.92/57,494.31
  6. Step 6: Final answer
    x = 46,717.76

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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.