Home / 84,131.65-116,127.44-50,165.11

Finding the Fourth Proportional to 84,131.65, 116,127.44 and 50,165.11

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Solution

The fourth proportional to 84,131.65, 116,127.44 and 50,165.11 is: 69,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,131.65 : 116,127.44 = 50,165.11 : x
  2. Step 2: Convert to fraction form
    84,131.65/116,127.44 = 50,165.11/x
  3. Step 3: Cross multiply
    84,131.65x = 116,127.44 × 50,165.11
  4. Step 4: Simplify right side
    84,131.65x = 5,825,545,801.62
  5. Step 5: Solve for x
    x = 5,825,545,801.62/84,131.65
  6. Step 6: Final answer
    x = 69,243.21

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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.