Home / 79,262.20-118,858.71-29,979.64

Finding the Fourth Proportional to 79,262.20, 118,858.71 and 29,979.64

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Solution

The fourth proportional to 79,262.20, 118,858.71 and 29,979.64 is: 44,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,262.20 : 118,858.71 = 29,979.64 : x
  2. Step 2: Convert to fraction form
    79,262.20/118,858.71 = 29,979.64/x
  3. Step 3: Cross multiply
    79,262.20x = 118,858.71 × 29,979.64
  4. Step 4: Simplify right side
    79,262.20x = 3,563,341,336.66
  5. Step 5: Solve for x
    x = 3,563,341,336.66/79,262.20
  6. Step 6: Final answer
    x = 44,956.38

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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.