Home / 66,333.24-91,539.42-36,118.55

Finding the Fourth Proportional to 66,333.24, 91,539.42 and 36,118.55

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Solution

The fourth proportional to 66,333.24, 91,539.42 and 36,118.55 is: 49,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,333.24 : 91,539.42 = 36,118.55 : x
  2. Step 2: Convert to fraction form
    66,333.24/91,539.42 = 36,118.55/x
  3. Step 3: Cross multiply
    66,333.24x = 91,539.42 × 36,118.55
  4. Step 4: Simplify right side
    66,333.24x = 3,306,270,660.54
  5. Step 5: Solve for x
    x = 3,306,270,660.54/66,333.24
  6. Step 6: Final answer
    x = 49,843.35

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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.