Home / 56,807.24-85,079.64-54,839

Finding the Fourth Proportional to 56,807.24, 85,079.64 and 54,839

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Solution

The fourth proportional to 56,807.24, 85,079.64 and 54,839 is: 82,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,807.24 : 85,079.64 = 54,839 : x
  2. Step 2: Convert to fraction form
    56,807.24/85,079.64 = 54,839/x
  3. Step 3: Cross multiply
    56,807.24x = 85,079.64 × 54,839
  4. Step 4: Simplify right side
    56,807.24x = 4,665,682,377.96
  5. Step 5: Solve for x
    x = 4,665,682,377.96/56,807.24
  6. Step 6: Final answer
    x = 82,131.83

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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.