Home / 71,617.26-107,428.02-34,181.28

Finding the Fourth Proportional to 71,617.26, 107,428.02 and 34,181.28

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Solution

The fourth proportional to 71,617.26, 107,428.02 and 34,181.28 is: 51,272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,617.26 : 107,428.02 = 34,181.28 : x
  2. Step 2: Convert to fraction form
    71,617.26/107,428.02 = 34,181.28/x
  3. Step 3: Cross multiply
    71,617.26x = 107,428.02 × 34,181.28
  4. Step 4: Simplify right side
    71,617.26x = 3,672,027,231.47
  5. Step 5: Solve for x
    x = 3,672,027,231.47/71,617.26
  6. Step 6: Final answer
    x = 51,272.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.