Home / 66,939.33-100,409.10-50,089.92

Finding the Fourth Proportional to 66,939.33, 100,409.10 and 50,089.92

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Solution

The fourth proportional to 66,939.33, 100,409.10 and 50,089.92 is: 75,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,939.33 : 100,409.10 = 50,089.92 : x
  2. Step 2: Convert to fraction form
    66,939.33/100,409.10 = 50,089.92/x
  3. Step 3: Cross multiply
    66,939.33x = 100,409.10 × 50,089.92
  4. Step 4: Simplify right side
    66,939.33x = 5,029,483,786.27
  5. Step 5: Solve for x
    x = 5,029,483,786.27/66,939.33
  6. Step 6: Final answer
    x = 75,134.96

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1.5x scale

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.