Home / 71,212.40-106,786.20-37,923.92

Finding the Fourth Proportional to 71,212.40, 106,786.20 and 37,923.92

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Solution

The fourth proportional to 71,212.40, 106,786.20 and 37,923.92 is: 56,868.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,212.40 : 106,786.20 = 37,923.92 : x
  2. Step 2: Convert to fraction form
    71,212.40/106,786.20 = 37,923.92/x
  3. Step 3: Cross multiply
    71,212.40x = 106,786.20 × 37,923.92
  4. Step 4: Simplify right side
    71,212.40x = 4,049,751,305.90
  5. Step 5: Solve for x
    x = 4,049,751,305.90/71,212.40
  6. Step 6: Final answer
    x = 56,868.63

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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.