Home / 66,355.30-91,568.73-38,059.18

Finding the Fourth Proportional to 66,355.30, 91,568.73 and 38,059.18

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Solution

The fourth proportional to 66,355.30, 91,568.73 and 38,059.18 is: 52,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,355.30 : 91,568.73 = 38,059.18 : x
  2. Step 2: Convert to fraction form
    66,355.30/91,568.73 = 38,059.18/x
  3. Step 3: Cross multiply
    66,355.30x = 91,568.73 × 38,059.18
  4. Step 4: Simplify right side
    66,355.30x = 3,485,030,777.44
  5. Step 5: Solve for x
    x = 3,485,030,777.44/66,355.30
  6. Step 6: Final answer
    x = 52,520.76

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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.