Home / 114,938.70-172,407.24-68,049.42

Finding the Fourth Proportional to 114,938.70, 172,407.24 and 68,049.42

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Solution

The fourth proportional to 114,938.70, 172,407.24 and 68,049.42 is: 102,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,938.70 : 172,407.24 = 68,049.42 : x
  2. Step 2: Convert to fraction form
    114,938.70/172,407.24 = 68,049.42/x
  3. Step 3: Cross multiply
    114,938.70x = 172,407.24 × 68,049.42
  4. Step 4: Simplify right side
    114,938.70x = 11,732,212,685.80
  5. Step 5: Solve for x
    x = 11,732,212,685.80/114,938.70
  6. Step 6: Final answer
    x = 102,073.65

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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.