Home / 55,401.26-76,452.78-31,527.44

Finding the Fourth Proportional to 55,401.26, 76,452.78 and 31,527.44

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Solution

The fourth proportional to 55,401.26, 76,452.78 and 31,527.44 is: 43,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,401.26 : 76,452.78 = 31,527.44 : x
  2. Step 2: Convert to fraction form
    55,401.26/76,452.78 = 31,527.44/x
  3. Step 3: Cross multiply
    55,401.26x = 76,452.78 × 31,527.44
  4. Step 4: Simplify right side
    55,401.26x = 2,410,360,434.28
  5. Step 5: Solve for x
    x = 2,410,360,434.28/55,401.26
  6. Step 6: Final answer
    x = 43,507.32

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1.5x scale

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.