Home / 72,739.19-108,988.09-25,329.22

Finding the Fourth Proportional to 72,739.19, 108,988.09 and 25,329.22

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Solution

The fourth proportional to 72,739.19, 108,988.09 and 25,329.22 is: 37,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,739.19 : 108,988.09 = 25,329.22 : x
  2. Step 2: Convert to fraction form
    72,739.19/108,988.09 = 25,329.22/x
  3. Step 3: Cross multiply
    72,739.19x = 108,988.09 × 25,329.22
  4. Step 4: Simplify right side
    72,739.19x = 2,760,583,308.99
  5. Step 5: Solve for x
    x = 2,760,583,308.99/72,739.19
  6. Step 6: Final answer
    x = 37,951.80

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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.