Home / 55,857.91-77,162.24-50,813.23

Finding the Fourth Proportional to 55,857.91, 77,162.24 and 50,813.23

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Solution

The fourth proportional to 55,857.91, 77,162.24 and 50,813.23 is: 70,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,857.91 : 77,162.24 = 50,813.23 : x
  2. Step 2: Convert to fraction form
    55,857.91/77,162.24 = 50,813.23/x
  3. Step 3: Cross multiply
    55,857.91x = 77,162.24 × 50,813.23
  4. Step 4: Simplify right side
    55,857.91x = 3,920,862,648.44
  5. Step 5: Solve for x
    x = 3,920,862,648.44/55,857.91
  6. Step 6: Final answer
    x = 70,193.51

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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.