Home / 66,814.88-92,201.83-39,972.22

Finding the Fourth Proportional to 66,814.88, 92,201.83 and 39,972.22

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Solution

The fourth proportional to 66,814.88, 92,201.83 and 39,972.22 is: 55,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,814.88 : 92,201.83 = 39,972.22 : x
  2. Step 2: Convert to fraction form
    66,814.88/92,201.83 = 39,972.22/x
  3. Step 3: Cross multiply
    66,814.88x = 92,201.83 × 39,972.22
  4. Step 4: Simplify right side
    66,814.88x = 3,685,511,502.73
  5. Step 5: Solve for x
    x = 3,685,511,502.73/66,814.88
  6. Step 6: Final answer
    x = 55,160.04

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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.