Home / 68,849.38-95,012.52-40,189.06

Finding the Fourth Proportional to 68,849.38, 95,012.52 and 40,189.06

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Solution

The fourth proportional to 68,849.38, 95,012.52 and 40,189.06 is: 55,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,849.38 : 95,012.52 = 40,189.06 : x
  2. Step 2: Convert to fraction form
    68,849.38/95,012.52 = 40,189.06/x
  3. Step 3: Cross multiply
    68,849.38x = 95,012.52 × 40,189.06
  4. Step 4: Simplify right side
    68,849.38x = 3,818,463,867.03
  5. Step 5: Solve for x
    x = 3,818,463,867.03/68,849.38
  6. Step 6: Final answer
    x = 55,461.12

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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.