Home / 66,790.96-100,120.56-37,222.72

Finding the Fourth Proportional to 66,790.96, 100,120.56 and 37,222.72

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Solution

The fourth proportional to 66,790.96, 100,120.56 and 37,222.72 is: 55,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,790.96 : 100,120.56 = 37,222.72 : x
  2. Step 2: Convert to fraction form
    66,790.96/100,120.56 = 37,222.72/x
  3. Step 3: Cross multiply
    66,790.96x = 100,120.56 × 37,222.72
  4. Step 4: Simplify right side
    66,790.96x = 3,726,759,571.12
  5. Step 5: Solve for x
    x = 3,726,759,571.12/66,790.96
  6. Step 6: Final answer
    x = 55,797.36

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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.