Home / 66,167.52-91,315.26-37,872.60

Finding the Fourth Proportional to 66,167.52, 91,315.26 and 37,872.60

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Solution

The fourth proportional to 66,167.52, 91,315.26 and 37,872.60 is: 52,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,167.52 : 91,315.26 = 37,872.60 : x
  2. Step 2: Convert to fraction form
    66,167.52/91,315.26 = 37,872.60/x
  3. Step 3: Cross multiply
    66,167.52x = 91,315.26 × 37,872.60
  4. Step 4: Simplify right side
    66,167.52x = 3,458,346,315.88
  5. Step 5: Solve for x
    x = 3,458,346,315.88/66,167.52
  6. Step 6: Final answer
    x = 52,266.52

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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.