Home / 71,204.40-98,261.82-40,157.18

Finding the Fourth Proportional to 71,204.40, 98,261.82 and 40,157.18

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Solution

The fourth proportional to 71,204.40, 98,261.82 and 40,157.18 is: 55,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,204.40 : 98,261.82 = 40,157.18 : x
  2. Step 2: Convert to fraction form
    71,204.40/98,261.82 = 40,157.18/x
  3. Step 3: Cross multiply
    71,204.40x = 98,261.82 × 40,157.18
  4. Step 4: Simplify right side
    71,204.40x = 3,945,917,592.87
  5. Step 5: Solve for x
    x = 3,945,917,592.87/71,204.40
  6. Step 6: Final answer
    x = 55,416.77

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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.