Home / 68,628.06-94,675.23-40,313.70

Finding the Fourth Proportional to 68,628.06, 94,675.23 and 40,313.70

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Solution

The fourth proportional to 68,628.06, 94,675.23 and 40,313.70 is: 55,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,628.06 : 94,675.23 = 40,313.70 : x
  2. Step 2: Convert to fraction form
    68,628.06/94,675.23 = 40,313.70/x
  3. Step 3: Cross multiply
    68,628.06x = 94,675.23 × 40,313.70
  4. Step 4: Simplify right side
    68,628.06x = 3,816,708,819.65
  5. Step 5: Solve for x
    x = 3,816,708,819.65/68,628.06
  6. Step 6: Final answer
    x = 55,614.41

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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.