Home / 100,940.85-151,433.45-29,857.94

Finding the Fourth Proportional to 100,940.85, 151,433.45 and 29,857.94

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Solution

The fourth proportional to 100,940.85, 151,433.45 and 29,857.94 is: 44,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,940.85 : 151,433.45 = 29,857.94 : x
  2. Step 2: Convert to fraction form
    100,940.85/151,433.45 = 29,857.94/x
  3. Step 3: Cross multiply
    100,940.85x = 151,433.45 × 29,857.94
  4. Step 4: Simplify right side
    100,940.85x = 4,521,490,864.09
  5. Step 5: Solve for x
    x = 4,521,490,864.09/100,940.85
  6. Step 6: Final answer
    x = 44,793.47

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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.