Home / 79,397.20-118,998.60-34,976.80

Finding the Fourth Proportional to 79,397.20, 118,998.60 and 34,976.80

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Solution

The fourth proportional to 79,397.20, 118,998.60 and 34,976.80 is: 52,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,397.20 : 118,998.60 = 34,976.80 : x
  2. Step 2: Convert to fraction form
    79,397.20/118,998.60 = 34,976.80/x
  3. Step 3: Cross multiply
    79,397.20x = 118,998.60 × 34,976.80
  4. Step 4: Simplify right side
    79,397.20x = 4,162,190,232.48
  5. Step 5: Solve for x
    x = 4,162,190,232.48/79,397.20
  6. Step 6: Final answer
    x = 52,422.38

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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.