Home / 66,197.43-91,344.47-37,520.37

Finding the Fourth Proportional to 66,197.43, 91,344.47 and 37,520.37

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Solution

The fourth proportional to 66,197.43, 91,344.47 and 37,520.37 is: 51,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,197.43 : 91,344.47 = 37,520.37 : x
  2. Step 2: Convert to fraction form
    66,197.43/91,344.47 = 37,520.37/x
  3. Step 3: Cross multiply
    66,197.43x = 91,344.47 × 37,520.37
  4. Step 4: Simplify right side
    66,197.43x = 3,427,278,124.25
  5. Step 5: Solve for x
    x = 3,427,278,124.25/66,197.43
  6. Step 6: Final answer
    x = 51,773.58

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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.