Home / 114,145.97-157,584.78-68,835.42

Finding the Fourth Proportional to 114,145.97, 157,584.78 and 68,835.42

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Solution

The fourth proportional to 114,145.97, 157,584.78 and 68,835.42 is: 95,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,145.97 : 157,584.78 = 68,835.42 : x
  2. Step 2: Convert to fraction form
    114,145.97/157,584.78 = 68,835.42/x
  3. Step 3: Cross multiply
    114,145.97x = 157,584.78 × 68,835.42
  4. Step 4: Simplify right side
    114,145.97x = 10,847,414,516.91
  5. Step 5: Solve for x
    x = 10,847,414,516.91/114,145.97
  6. Step 6: Final answer
    x = 95,031.08

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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.