Home / 66,195.54-91,327.38-37,512.12

Finding the Fourth Proportional to 66,195.54, 91,327.38 and 37,512.12

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Solution

The fourth proportional to 66,195.54, 91,327.38 and 37,512.12 is: 51,753.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,195.54 : 91,327.38 = 37,512.12 : x
  2. Step 2: Convert to fraction form
    66,195.54/91,327.38 = 37,512.12/x
  3. Step 3: Cross multiply
    66,195.54x = 91,327.38 × 37,512.12
  4. Step 4: Simplify right side
    66,195.54x = 3,425,883,637.85
  5. Step 5: Solve for x
    x = 3,425,883,637.85/66,195.54
  6. Step 6: Final answer
    x = 51,753.99

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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.