Home / 114,825.84-172,134.96-40,936.56

Finding the Fourth Proportional to 114,825.84, 172,134.96 and 40,936.56

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Solution

The fourth proportional to 114,825.84, 172,134.96 and 40,936.56 is: 61,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,825.84 : 172,134.96 = 40,936.56 : x
  2. Step 2: Convert to fraction form
    114,825.84/172,134.96 = 40,936.56/x
  3. Step 3: Cross multiply
    114,825.84x = 172,134.96 × 40,936.56
  4. Step 4: Simplify right side
    114,825.84x = 7,046,613,118.14
  5. Step 5: Solve for x
    x = 7,046,613,118.14/114,825.84
  6. Step 6: Final answer
    x = 61,367.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.