Home / 66,255.68-91,435.21-37,966.83

Finding the Fourth Proportional to 66,255.68, 91,435.21 and 37,966.83

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Solution

The fourth proportional to 66,255.68, 91,435.21 and 37,966.83 is: 52,395.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,255.68 : 91,435.21 = 37,966.83 : x
  2. Step 2: Convert to fraction form
    66,255.68/91,435.21 = 37,966.83/x
  3. Step 3: Cross multiply
    66,255.68x = 91,435.21 × 37,966.83
  4. Step 4: Simplify right side
    66,255.68x = 3,471,505,074.08
  5. Step 5: Solve for x
    x = 3,471,505,074.08/66,255.68
  6. Step 6: Final answer
    x = 52,395.58

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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.