Home / 95,109.84-131,388.24-75,964.48

Finding the Fourth Proportional to 95,109.84, 131,388.24 and 75,964.48

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Solution

The fourth proportional to 95,109.84, 131,388.24 and 75,964.48 is: 104,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,109.84 : 131,388.24 = 75,964.48 : x
  2. Step 2: Convert to fraction form
    95,109.84/131,388.24 = 75,964.48/x
  3. Step 3: Cross multiply
    95,109.84x = 131,388.24 × 75,964.48
  4. Step 4: Simplify right side
    95,109.84x = 9,980,839,329.72
  5. Step 5: Solve for x
    x = 9,980,839,329.72/95,109.84
  6. Step 6: Final answer
    x = 104,940.13

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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.