Home / 50,983.29-70,355.91-28,321.23

Finding the Fourth Proportional to 50,983.29, 70,355.91 and 28,321.23

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Solution

The fourth proportional to 50,983.29, 70,355.91 and 28,321.23 is: 39,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,983.29 : 70,355.91 = 28,321.23 : x
  2. Step 2: Convert to fraction form
    50,983.29/70,355.91 = 28,321.23/x
  3. Step 3: Cross multiply
    50,983.29x = 70,355.91 × 28,321.23
  4. Step 4: Simplify right side
    50,983.29x = 1,992,565,908.97
  5. Step 5: Solve for x
    x = 1,992,565,908.97/50,983.29
  6. Step 6: Final answer
    x = 39,082.73

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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.