Home / 54,727.11-75,521.70-30,853.44

Finding the Fourth Proportional to 54,727.11, 75,521.70 and 30,853.44

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Solution

The fourth proportional to 54,727.11, 75,521.70 and 30,853.44 is: 42,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,727.11 : 75,521.70 = 30,853.44 : x
  2. Step 2: Convert to fraction form
    54,727.11/75,521.70 = 30,853.44/x
  3. Step 3: Cross multiply
    54,727.11x = 75,521.70 × 30,853.44
  4. Step 4: Simplify right side
    54,727.11x = 2,330,104,239.65
  5. Step 5: Solve for x
    x = 2,330,104,239.65/54,727.11
  6. Step 6: Final answer
    x = 42,576.78

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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.