Home / 86,723.36-119,662.92-48,470.68

Finding the Fourth Proportional to 86,723.36, 119,662.92 and 48,470.68

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Solution

The fourth proportional to 86,723.36, 119,662.92 and 48,470.68 is: 66,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,723.36 : 119,662.92 = 48,470.68 : x
  2. Step 2: Convert to fraction form
    86,723.36/119,662.92 = 48,470.68/x
  3. Step 3: Cross multiply
    86,723.36x = 119,662.92 × 48,470.68
  4. Step 4: Simplify right side
    86,723.36x = 5,800,142,504.87
  5. Step 5: Solve for x
    x = 5,800,142,504.87/86,723.36
  6. Step 6: Final answer
    x = 66,880.97

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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.