Home / 71,058.22-98,057.76-39,226.43

Finding the Fourth Proportional to 71,058.22, 98,057.76 and 39,226.43

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Solution

The fourth proportional to 71,058.22, 98,057.76 and 39,226.43 is: 54,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,058.22 : 98,057.76 = 39,226.43 : x
  2. Step 2: Convert to fraction form
    71,058.22/98,057.76 = 39,226.43/x
  3. Step 3: Cross multiply
    71,058.22x = 98,057.76 × 39,226.43
  4. Step 4: Simplify right side
    71,058.22x = 3,846,455,858.60
  5. Step 5: Solve for x
    x = 3,846,455,858.60/71,058.22
  6. Step 6: Final answer
    x = 54,131.05

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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.