Home / 71,142.24-98,175.96-40,933.20

Finding the Fourth Proportional to 71,142.24, 98,175.96 and 40,933.20

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Solution

The fourth proportional to 71,142.24, 98,175.96 and 40,933.20 is: 56,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,142.24 : 98,175.96 = 40,933.20 : x
  2. Step 2: Convert to fraction form
    71,142.24/98,175.96 = 40,933.20/x
  3. Step 3: Cross multiply
    71,142.24x = 98,175.96 × 40,933.20
  4. Step 4: Simplify right side
    71,142.24x = 4,018,656,205.87
  5. Step 5: Solve for x
    x = 4,018,656,205.87/71,142.24
  6. Step 6: Final answer
    x = 56,487.63

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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.