Home / 86,233.14-118,998.72-47,991.42

Finding the Fourth Proportional to 86,233.14, 118,998.72 and 47,991.42

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Solution

The fourth proportional to 86,233.14, 118,998.72 and 47,991.42 is: 66,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,233.14 : 118,998.72 = 47,991.42 : x
  2. Step 2: Convert to fraction form
    86,233.14/118,998.72 = 47,991.42/x
  3. Step 3: Cross multiply
    86,233.14x = 118,998.72 × 47,991.42
  4. Step 4: Simplify right side
    86,233.14x = 5,710,917,550.98
  5. Step 5: Solve for x
    x = 5,710,917,550.98/86,233.14
  6. Step 6: Final answer
    x = 66,226.48

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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.