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Finding the Fourth Proportional to 79,799.81, 110,122.40 and 43,501.65

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Solution

The fourth proportional to 79,799.81, 110,122.40 and 43,501.65 is: 60,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,799.81 : 110,122.40 = 43,501.65 : x
  2. Step 2: Convert to fraction form
    79,799.81/110,122.40 = 43,501.65/x
  3. Step 3: Cross multiply
    79,799.81x = 110,122.40 × 43,501.65
  4. Step 4: Simplify right side
    79,799.81x = 4,790,505,884.45
  5. Step 5: Solve for x
    x = 4,790,505,884.45/79,799.81
  6. Step 6: Final answer
    x = 60,031.55

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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.