Home / 55,051.56-75,949.79-38,942.55

Finding the Fourth Proportional to 55,051.56, 75,949.79 and 38,942.55

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Solution

The fourth proportional to 55,051.56, 75,949.79 and 38,942.55 is: 53,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,051.56 : 75,949.79 = 38,942.55 : x
  2. Step 2: Convert to fraction form
    55,051.56/75,949.79 = 38,942.55/x
  3. Step 3: Cross multiply
    55,051.56x = 75,949.79 × 38,942.55
  4. Step 4: Simplify right side
    55,051.56x = 2,957,678,299.85
  5. Step 5: Solve for x
    x = 2,957,678,299.85/55,051.56
  6. Step 6: Final answer
    x = 53,725.60

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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.