Home / 54,732.88-82,083.46-18,705.70

Finding the Fourth Proportional to 54,732.88, 82,083.46 and 18,705.70

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Solution

The fourth proportional to 54,732.88, 82,083.46 and 18,705.70 is: 28,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,732.88 : 82,083.46 = 18,705.70 : x
  2. Step 2: Convert to fraction form
    54,732.88/82,083.46 = 18,705.70/x
  3. Step 3: Cross multiply
    54,732.88x = 82,083.46 × 18,705.70
  4. Step 4: Simplify right side
    54,732.88x = 1,535,428,577.72
  5. Step 5: Solve for x
    x = 1,535,428,577.72/54,732.88
  6. Step 6: Final answer
    x = 28,053.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.