Home / 54,678.53-82,017.79-31,288.43

Finding the Fourth Proportional to 54,678.53, 82,017.79 and 31,288.43

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Solution

The fourth proportional to 54,678.53, 82,017.79 and 31,288.43 is: 46,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,678.53 : 82,017.79 = 31,288.43 : x
  2. Step 2: Convert to fraction form
    54,678.53/82,017.79 = 31,288.43/x
  3. Step 3: Cross multiply
    54,678.53x = 82,017.79 × 31,288.43
  4. Step 4: Simplify right side
    54,678.53x = 2,566,207,392.86
  5. Step 5: Solve for x
    x = 2,566,207,392.86/54,678.53
  6. Step 6: Final answer
    x = 46,932.64

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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.