Home / 79,133.90-109,205.10-43,327.24

Finding the Fourth Proportional to 79,133.90, 109,205.10 and 43,327.24

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Solution

The fourth proportional to 79,133.90, 109,205.10 and 43,327.24 is: 59,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,133.90 : 109,205.10 = 43,327.24 : x
  2. Step 2: Convert to fraction form
    79,133.90/109,205.10 = 43,327.24/x
  3. Step 3: Cross multiply
    79,133.90x = 109,205.10 × 43,327.24
  4. Step 4: Simplify right side
    79,133.90x = 4,731,556,040.05
  5. Step 5: Solve for x
    x = 4,731,556,040.05/79,133.90
  6. Step 6: Final answer
    x = 59,791.77

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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.