Home / 54,722.19-75,512.09-30,854.73

Finding the Fourth Proportional to 54,722.19, 75,512.09 and 30,854.73

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Solution

The fourth proportional to 54,722.19, 75,512.09 and 30,854.73 is: 42,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,722.19 : 75,512.09 = 30,854.73 : x
  2. Step 2: Convert to fraction form
    54,722.19/75,512.09 = 30,854.73/x
  3. Step 3: Cross multiply
    54,722.19x = 75,512.09 × 30,854.73
  4. Step 4: Simplify right side
    54,722.19x = 2,329,905,148.69
  5. Step 5: Solve for x
    x = 2,329,905,148.69/54,722.19
  6. Step 6: Final answer
    x = 42,576.97

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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.