Home / 68,288.08-94,238.38-39,614.38

Finding the Fourth Proportional to 68,288.08, 94,238.38 and 39,614.38

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Solution

The fourth proportional to 68,288.08, 94,238.38 and 39,614.38 is: 54,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,288.08 : 94,238.38 = 39,614.38 : x
  2. Step 2: Convert to fraction form
    68,288.08/94,238.38 = 39,614.38/x
  3. Step 3: Cross multiply
    68,288.08x = 94,238.38 × 39,614.38
  4. Step 4: Simplify right side
    68,288.08x = 3,733,194,995.90
  5. Step 5: Solve for x
    x = 3,733,194,995.90/68,288.08
  6. Step 6: Final answer
    x = 54,668.33

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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.