Home / 71,175.07-98,218.60-40,961.43

Finding the Fourth Proportional to 71,175.07, 98,218.60 and 40,961.43

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Solution

The fourth proportional to 71,175.07, 98,218.60 and 40,961.43 is: 56,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,175.07 : 98,218.60 = 40,961.43 : x
  2. Step 2: Convert to fraction form
    71,175.07/98,218.60 = 40,961.43/x
  3. Step 3: Cross multiply
    71,175.07x = 98,218.60 × 40,961.43
  4. Step 4: Simplify right side
    71,175.07x = 4,023,174,308.60
  5. Step 5: Solve for x
    x = 4,023,174,308.60/71,175.07
  6. Step 6: Final answer
    x = 56,525.05

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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.