Home / 55,589.72-76,722.66-31,724.12

Finding the Fourth Proportional to 55,589.72, 76,722.66 and 31,724.12

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Solution

The fourth proportional to 55,589.72, 76,722.66 and 31,724.12 is: 43,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,589.72 : 76,722.66 = 31,724.12 : x
  2. Step 2: Convert to fraction form
    55,589.72/76,722.66 = 31,724.12/x
  3. Step 3: Cross multiply
    55,589.72x = 76,722.66 × 31,724.12
  4. Step 4: Simplify right side
    55,589.72x = 2,433,958,872.56
  5. Step 5: Solve for x
    x = 2,433,958,872.56/55,589.72
  6. Step 6: Final answer
    x = 43,784.33

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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.