Home / 54,678.56-82,017.84-31,288.46

Finding the Fourth Proportional to 54,678.56, 82,017.84 and 31,288.46

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Solution

The fourth proportional to 54,678.56, 82,017.84 and 31,288.46 is: 46,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,678.56 : 82,017.84 = 31,288.46 : x
  2. Step 2: Convert to fraction form
    54,678.56/82,017.84 = 31,288.46/x
  3. Step 3: Cross multiply
    54,678.56x = 82,017.84 × 31,288.46
  4. Step 4: Simplify right side
    54,678.56x = 2,566,211,339.59
  5. Step 5: Solve for x
    x = 2,566,211,339.59/54,678.56
  6. Step 6: Final answer
    x = 46,932.68

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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.