Home / 55,788.22-83,682.78-20,727.88

Finding the Fourth Proportional to 55,788.22, 83,682.78 and 20,727.88

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Solution

The fourth proportional to 55,788.22, 83,682.78 and 20,727.88 is: 31,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,788.22 : 83,682.78 = 20,727.88 : x
  2. Step 2: Convert to fraction form
    55,788.22/83,682.78 = 20,727.88/x
  3. Step 3: Cross multiply
    55,788.22x = 83,682.78 × 20,727.88
  4. Step 4: Simplify right side
    55,788.22x = 1,734,566,621.91
  5. Step 5: Solve for x
    x = 1,734,566,621.91/55,788.22
  6. Step 6: Final answer
    x = 31,091.99

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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.