Home / 71,278.98-98,375.43-41,058.48

Finding the Fourth Proportional to 71,278.98, 98,375.43 and 41,058.48

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Solution

The fourth proportional to 71,278.98, 98,375.43 and 41,058.48 is: 56,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,278.98 : 98,375.43 = 41,058.48 : x
  2. Step 2: Convert to fraction form
    71,278.98/98,375.43 = 41,058.48/x
  3. Step 3: Cross multiply
    71,278.98x = 98,375.43 × 41,058.48
  4. Step 4: Simplify right side
    71,278.98x = 4,039,145,625.15
  5. Step 5: Solve for x
    x = 4,039,145,625.15/71,278.98
  6. Step 6: Final answer
    x = 56,666.71

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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.