Home / 79,945.70-119,897.66-23,770.68

Finding the Fourth Proportional to 79,945.70, 119,897.66 and 23,770.68

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Solution

The fourth proportional to 79,945.70, 119,897.66 and 23,770.68 is: 35,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,945.70 : 119,897.66 = 23,770.68 : x
  2. Step 2: Convert to fraction form
    79,945.70/119,897.66 = 23,770.68/x
  3. Step 3: Cross multiply
    79,945.70x = 119,897.66 × 23,770.68
  4. Step 4: Simplify right side
    79,945.70x = 2,850,049,417.65
  5. Step 5: Solve for x
    x = 2,850,049,417.65/79,945.70
  6. Step 6: Final answer
    x = 35,649.81

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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.