Home / 79,906.48-119,901.60-30,021.04

Finding the Fourth Proportional to 79,906.48, 119,901.60 and 30,021.04

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Solution

The fourth proportional to 79,906.48, 119,901.60 and 30,021.04 is: 45,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,906.48 : 119,901.60 = 30,021.04 : x
  2. Step 2: Convert to fraction form
    79,906.48/119,901.60 = 30,021.04/x
  3. Step 3: Cross multiply
    79,906.48x = 119,901.60 × 30,021.04
  4. Step 4: Simplify right side
    79,906.48x = 3,599,570,729.66
  5. Step 5: Solve for x
    x = 3,599,570,729.66/79,906.48
  6. Step 6: Final answer
    x = 45,047.29

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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.