Home / 68,941.56-95,139.30-39,133.56

Finding the Fourth Proportional to 68,941.56, 95,139.30 and 39,133.56

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Solution

The fourth proportional to 68,941.56, 95,139.30 and 39,133.56 is: 54,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,941.56 : 95,139.30 = 39,133.56 : x
  2. Step 2: Convert to fraction form
    68,941.56/95,139.30 = 39,133.56/x
  3. Step 3: Cross multiply
    68,941.56x = 95,139.30 × 39,133.56
  4. Step 4: Simplify right side
    68,941.56x = 3,723,139,504.91
  5. Step 5: Solve for x
    x = 3,723,139,504.91/68,941.56
  6. Step 6: Final answer
    x = 54,004.28

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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.