Home / 68,941.36-95,139.46-38,727.96

Finding the Fourth Proportional to 68,941.36, 95,139.46 and 38,727.96

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Solution

The fourth proportional to 68,941.36, 95,139.46 and 38,727.96 is: 53,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,941.36 : 95,139.46 = 38,727.96 : x
  2. Step 2: Convert to fraction form
    68,941.36/95,139.46 = 38,727.96/x
  3. Step 3: Cross multiply
    68,941.36x = 95,139.46 × 38,727.96
  4. Step 4: Simplify right side
    68,941.36x = 3,684,556,892.94
  5. Step 5: Solve for x
    x = 3,684,556,892.94/68,941.36
  6. Step 6: Final answer
    x = 53,444.79

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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.