Home / 86,288.73-119,049.90-50,453.36

Finding the Fourth Proportional to 86,288.73, 119,049.90 and 50,453.36

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Solution

The fourth proportional to 86,288.73, 119,049.90 and 50,453.36 is: 69,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,288.73 : 119,049.90 = 50,453.36 : x
  2. Step 2: Convert to fraction form
    86,288.73/119,049.90 = 50,453.36/x
  3. Step 3: Cross multiply
    86,288.73x = 119,049.90 × 50,453.36
  4. Step 4: Simplify right side
    86,288.73x = 6,006,468,078.11
  5. Step 5: Solve for x
    x = 6,006,468,078.11/86,288.73
  6. Step 6: Final answer
    x = 69,608.96

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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.