Home / 71,403.75-98,537.18-39,577.43

Finding the Fourth Proportional to 71,403.75, 98,537.18 and 39,577.43

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Solution

The fourth proportional to 71,403.75, 98,537.18 and 39,577.43 is: 54,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,403.75 : 98,537.18 = 39,577.43 : x
  2. Step 2: Convert to fraction form
    71,403.75/98,537.18 = 39,577.43/x
  3. Step 3: Cross multiply
    71,403.75x = 98,537.18 × 39,577.43
  4. Step 4: Simplify right side
    71,403.75x = 3,899,848,392.30
  5. Step 5: Solve for x
    x = 3,899,848,392.30/71,403.75
  6. Step 6: Final answer
    x = 54,616.86

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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.