Home / 66,813.93-92,198.22-38,132.80

Finding the Fourth Proportional to 66,813.93, 92,198.22 and 38,132.80

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Solution

The fourth proportional to 66,813.93, 92,198.22 and 38,132.80 is: 52,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,813.93 : 92,198.22 = 38,132.80 : x
  2. Step 2: Convert to fraction form
    66,813.93/92,198.22 = 38,132.80/x
  3. Step 3: Cross multiply
    66,813.93x = 92,198.22 × 38,132.80
  4. Step 4: Simplify right side
    66,813.93x = 3,515,776,283.62
  5. Step 5: Solve for x
    x = 3,515,776,283.62/66,813.93
  6. Step 6: Final answer
    x = 52,620.41

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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.