Home / 66,382.41-91,607.21-36,167.64

Finding the Fourth Proportional to 66,382.41, 91,607.21 and 36,167.64

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Solution

The fourth proportional to 66,382.41, 91,607.21 and 36,167.64 is: 49,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,382.41 : 91,607.21 = 36,167.64 : x
  2. Step 2: Convert to fraction form
    66,382.41/91,607.21 = 36,167.64/x
  3. Step 3: Cross multiply
    66,382.41x = 91,607.21 × 36,167.64
  4. Step 4: Simplify right side
    66,382.41x = 3,313,216,592.68
  5. Step 5: Solve for x
    x = 3,313,216,592.68/66,382.41
  6. Step 6: Final answer
    x = 49,911.06

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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.