Home / 76,550.87-114,828.89-26,631.38

Finding the Fourth Proportional to 76,550.87, 114,828.89 and 26,631.38

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Solution

The fourth proportional to 76,550.87, 114,828.89 and 26,631.38 is: 39,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,550.87 : 114,828.89 = 26,631.38 : x
  2. Step 2: Convert to fraction form
    76,550.87/114,828.89 = 26,631.38/x
  3. Step 3: Cross multiply
    76,550.87x = 114,828.89 × 26,631.38
  4. Step 4: Simplify right side
    76,550.87x = 3,058,052,353.15
  5. Step 5: Solve for x
    x = 3,058,052,353.15/76,550.87
  6. Step 6: Final answer
    x = 39,947.97

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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.