Home / 84,027.11-115,957.04-45,786.51

Finding the Fourth Proportional to 84,027.11, 115,957.04 and 45,786.51

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Solution

The fourth proportional to 84,027.11, 115,957.04 and 45,786.51 is: 63,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,027.11 : 115,957.04 = 45,786.51 : x
  2. Step 2: Convert to fraction form
    84,027.11/115,957.04 = 45,786.51/x
  3. Step 3: Cross multiply
    84,027.11x = 115,957.04 × 45,786.51
  4. Step 4: Simplify right side
    84,027.11x = 5,309,267,942.60
  5. Step 5: Solve for x
    x = 5,309,267,942.60/84,027.11
  6. Step 6: Final answer
    x = 63,185.18

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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.