Home / 86,046.12-118,744.38-48,323.88

Finding the Fourth Proportional to 86,046.12, 118,744.38 and 48,323.88

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Solution

The fourth proportional to 86,046.12, 118,744.38 and 48,323.88 is: 66,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,046.12 : 118,744.38 = 48,323.88 : x
  2. Step 2: Convert to fraction form
    86,046.12/118,744.38 = 48,323.88/x
  3. Step 3: Cross multiply
    86,046.12x = 118,744.38 × 48,323.88
  4. Step 4: Simplify right side
    86,046.12x = 5,738,189,169.79
  5. Step 5: Solve for x
    x = 5,738,189,169.79/86,046.12
  6. Step 6: Final answer
    x = 66,687.37

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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.