Home / 54,805.16-75,631.38-30,932.84

Finding the Fourth Proportional to 54,805.16, 75,631.38 and 30,932.84

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Solution

The fourth proportional to 54,805.16, 75,631.38 and 30,932.84 is: 42,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,805.16 : 75,631.38 = 30,932.84 : x
  2. Step 2: Convert to fraction form
    54,805.16/75,631.38 = 30,932.84/x
  3. Step 3: Cross multiply
    54,805.16x = 75,631.38 × 30,932.84
  4. Step 4: Simplify right side
    54,805.16x = 2,339,493,376.52
  5. Step 5: Solve for x
    x = 2,339,493,376.52/54,805.16
  6. Step 6: Final answer
    x = 42,687.47

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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.