Home / 73,995.23-110,999.34-20,687.79

Finding the Fourth Proportional to 73,995.23, 110,999.34 and 20,687.79

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Solution

The fourth proportional to 73,995.23, 110,999.34 and 20,687.79 is: 31,033.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,995.23 : 110,999.34 = 20,687.79 : x
  2. Step 2: Convert to fraction form
    73,995.23/110,999.34 = 20,687.79/x
  3. Step 3: Cross multiply
    73,995.23x = 110,999.34 × 20,687.79
  4. Step 4: Simplify right side
    73,995.23x = 2,296,331,036.06
  5. Step 5: Solve for x
    x = 2,296,331,036.06/73,995.23
  6. Step 6: Final answer
    x = 31,033.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.