Home / 75,456.88-113,234.46-28,710.16

Finding the Fourth Proportional to 75,456.88, 113,234.46 and 28,710.16

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Solution

The fourth proportional to 75,456.88, 113,234.46 and 28,710.16 is: 43,083.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,456.88 : 113,234.46 = 28,710.16 : x
  2. Step 2: Convert to fraction form
    75,456.88/113,234.46 = 28,710.16/x
  3. Step 3: Cross multiply
    75,456.88x = 113,234.46 × 28,710.16
  4. Step 4: Simplify right side
    75,456.88x = 3,250,979,464.11
  5. Step 5: Solve for x
    x = 3,250,979,464.11/75,456.88
  6. Step 6: Final answer
    x = 43,083.94

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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.