Home / 71,857.14-99,165.89-40,026.03

Finding the Fourth Proportional to 71,857.14, 99,165.89 and 40,026.03

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Solution

The fourth proportional to 71,857.14, 99,165.89 and 40,026.03 is: 55,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,857.14 : 99,165.89 = 40,026.03 : x
  2. Step 2: Convert to fraction form
    71,857.14/99,165.89 = 40,026.03/x
  3. Step 3: Cross multiply
    71,857.14x = 99,165.89 × 40,026.03
  4. Step 4: Simplify right side
    71,857.14x = 3,969,216,687.99
  5. Step 5: Solve for x
    x = 3,969,216,687.99/71,857.14
  6. Step 6: Final answer
    x = 55,237.61

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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.