Home / 76,359.10-114,351.72-53,814.37

Finding the Fourth Proportional to 76,359.10, 114,351.72 and 53,814.37

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Solution

The fourth proportional to 76,359.10, 114,351.72 and 53,814.37 is: 80,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,359.10 : 114,351.72 = 53,814.37 : x
  2. Step 2: Convert to fraction form
    76,359.10/114,351.72 = 53,814.37/x
  3. Step 3: Cross multiply
    76,359.10x = 114,351.72 × 53,814.37
  4. Step 4: Simplify right side
    76,359.10x = 6,153,765,799.65
  5. Step 5: Solve for x
    x = 6,153,765,799.65/76,359.10
  6. Step 6: Final answer
    x = 80,589.82

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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.