Home / 86,382.70-119,167.38-50,550.54

Finding the Fourth Proportional to 86,382.70, 119,167.38 and 50,550.54

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Solution

The fourth proportional to 86,382.70, 119,167.38 and 50,550.54 is: 69,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,382.70 : 119,167.38 = 50,550.54 : x
  2. Step 2: Convert to fraction form
    86,382.70/119,167.38 = 50,550.54/x
  3. Step 3: Cross multiply
    86,382.70x = 119,167.38 × 50,550.54
  4. Step 4: Simplify right side
    86,382.70x = 6,023,975,409.39
  5. Step 5: Solve for x
    x = 6,023,975,409.39/86,382.70
  6. Step 6: Final answer
    x = 69,735.90

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1.5x scale

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.