Home / 65,766.94-90,736.96-40,246.68

Finding the Fourth Proportional to 65,766.94, 90,736.96 and 40,246.68

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Solution

The fourth proportional to 65,766.94, 90,736.96 and 40,246.68 is: 55,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,766.94 : 90,736.96 = 40,246.68 : x
  2. Step 2: Convert to fraction form
    65,766.94/90,736.96 = 40,246.68/x
  3. Step 3: Cross multiply
    65,766.94x = 90,736.96 × 40,246.68
  4. Step 4: Simplify right side
    65,766.94x = 3,651,861,393.29
  5. Step 5: Solve for x
    x = 3,651,861,393.29/65,766.94
  6. Step 6: Final answer
    x = 55,527.31

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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.