Home / 86,904.37-119,866.06-79,757.31

Finding the Fourth Proportional to 86,904.37, 119,866.06 and 79,757.31

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Solution

The fourth proportional to 86,904.37, 119,866.06 and 79,757.31 is: 110,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,904.37 : 119,866.06 = 79,757.31 : x
  2. Step 2: Convert to fraction form
    86,904.37/119,866.06 = 79,757.31/x
  3. Step 3: Cross multiply
    86,904.37x = 119,866.06 × 79,757.31
  4. Step 4: Simplify right side
    86,904.37x = 9,560,194,505.90
  5. Step 5: Solve for x
    x = 9,560,194,505.90/86,904.37
  6. Step 6: Final answer
    x = 110,008.22

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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.