Home / 66,540.02-91,825.65-36,732.02

Finding the Fourth Proportional to 66,540.02, 91,825.65 and 36,732.02

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Solution

The fourth proportional to 66,540.02, 91,825.65 and 36,732.02 is: 50,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,540.02 : 91,825.65 = 36,732.02 : x
  2. Step 2: Convert to fraction form
    66,540.02/91,825.65 = 36,732.02/x
  3. Step 3: Cross multiply
    66,540.02x = 91,825.65 × 36,732.02
  4. Step 4: Simplify right side
    66,540.02x = 3,372,941,612.31
  5. Step 5: Solve for x
    x = 3,372,941,612.31/66,540.02
  6. Step 6: Final answer
    x = 50,690.42

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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.