Home / 84,010.40-115,933.99-45,769.83

Finding the Fourth Proportional to 84,010.40, 115,933.99 and 45,769.83

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Solution

The fourth proportional to 84,010.40, 115,933.99 and 45,769.83 is: 63,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,010.40 : 115,933.99 = 45,769.83 : x
  2. Step 2: Convert to fraction form
    84,010.40/115,933.99 = 45,769.83/x
  3. Step 3: Cross multiply
    84,010.40x = 115,933.99 × 45,769.83
  4. Step 4: Simplify right side
    84,010.40x = 5,306,278,433.85
  5. Step 5: Solve for x
    x = 5,306,278,433.85/84,010.40
  6. Step 6: Final answer
    x = 63,162.17

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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.