Home / 55,322.62-76,351.67-31,452.87

Finding the Fourth Proportional to 55,322.62, 76,351.67 and 31,452.87

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Solution

The fourth proportional to 55,322.62, 76,351.67 and 31,452.87 is: 43,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,322.62 : 76,351.67 = 31,452.87 : x
  2. Step 2: Convert to fraction form
    55,322.62/76,351.67 = 31,452.87/x
  3. Step 3: Cross multiply
    55,322.62x = 76,351.67 × 31,452.87
  4. Step 4: Simplify right side
    55,322.62x = 2,401,479,150.79
  5. Step 5: Solve for x
    x = 2,401,479,150.79/55,322.62
  6. Step 6: Final answer
    x = 43,408.63

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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.