Home / 71,310.48-98,419.26-41,100.30

Finding the Fourth Proportional to 71,310.48, 98,419.26 and 41,100.30

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Solution

The fourth proportional to 71,310.48, 98,419.26 and 41,100.30 is: 56,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,310.48 : 98,419.26 = 41,100.30 : x
  2. Step 2: Convert to fraction form
    71,310.48/98,419.26 = 41,100.30/x
  3. Step 3: Cross multiply
    71,310.48x = 98,419.26 × 41,100.30
  4. Step 4: Simplify right side
    71,310.48x = 4,045,061,111.78
  5. Step 5: Solve for x
    x = 4,045,061,111.78/71,310.48
  6. Step 6: Final answer
    x = 56,724.64

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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.