Home / 71,936.01-99,274.55-40,110.57

Finding the Fourth Proportional to 71,936.01, 99,274.55 and 40,110.57

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Solution

The fourth proportional to 71,936.01, 99,274.55 and 40,110.57 is: 55,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,936.01 : 99,274.55 = 40,110.57 : x
  2. Step 2: Convert to fraction form
    71,936.01/99,274.55 = 40,110.57/x
  3. Step 3: Cross multiply
    71,936.01x = 99,274.55 × 40,110.57
  4. Step 4: Simplify right side
    71,936.01x = 3,981,958,586.44
  5. Step 5: Solve for x
    x = 3,981,958,586.44/71,936.01
  6. Step 6: Final answer
    x = 55,354.18

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1.5x scale

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.