Home / 55,582.56-76,771.26-40,451.22

Finding the Fourth Proportional to 55,582.56, 76,771.26 and 40,451.22

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Solution

The fourth proportional to 55,582.56, 76,771.26 and 40,451.22 is: 55,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,582.56 : 76,771.26 = 40,451.22 : x
  2. Step 2: Convert to fraction form
    55,582.56/76,771.26 = 40,451.22/x
  3. Step 3: Cross multiply
    55,582.56x = 76,771.26 × 40,451.22
  4. Step 4: Simplify right side
    55,582.56x = 3,105,491,127.94
  5. Step 5: Solve for x
    x = 3,105,491,127.94/55,582.56
  6. Step 6: Final answer
    x = 55,871.68

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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.