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Finding the Fourth Proportional to 79,080.82, 118,622.59 and 29,135.21

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Solution

The fourth proportional to 79,080.82, 118,622.59 and 29,135.21 is: 43,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,080.82 : 118,622.59 = 29,135.21 : x
  2. Step 2: Convert to fraction form
    79,080.82/118,622.59 = 29,135.21/x
  3. Step 3: Cross multiply
    79,080.82x = 118,622.59 × 29,135.21
  4. Step 4: Simplify right side
    79,080.82x = 3,456,093,846.68
  5. Step 5: Solve for x
    x = 3,456,093,846.68/79,080.82
  6. Step 6: Final answer
    x = 43,703.31

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1.5x scale

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.