Home / 66,167.02-91,314.60-37,872.10

Finding the Fourth Proportional to 66,167.02, 91,314.60 and 37,872.10

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Solution

The fourth proportional to 66,167.02, 91,314.60 and 37,872.10 is: 52,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,167.02 : 91,314.60 = 37,872.10 : x
  2. Step 2: Convert to fraction form
    66,167.02/91,314.60 = 37,872.10/x
  3. Step 3: Cross multiply
    66,167.02x = 91,314.60 × 37,872.10
  4. Step 4: Simplify right side
    66,167.02x = 3,458,275,662.66
  5. Step 5: Solve for x
    x = 3,458,275,662.66/66,167.02
  6. Step 6: Final answer
    x = 52,265.85

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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.