Home / 86,716.10-119,687.50-52,717.38

Finding the Fourth Proportional to 86,716.10, 119,687.50 and 52,717.38

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Solution

The fourth proportional to 86,716.10, 119,687.50 and 52,717.38 is: 72,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,716.10 : 119,687.50 = 52,717.38 : x
  2. Step 2: Convert to fraction form
    86,716.10/119,687.50 = 52,717.38/x
  3. Step 3: Cross multiply
    86,716.10x = 119,687.50 × 52,717.38
  4. Step 4: Simplify right side
    86,716.10x = 6,309,611,418.75
  5. Step 5: Solve for x
    x = 6,309,611,418.75/86,716.10
  6. Step 6: Final answer
    x = 72,761.71

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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.