Home / 79,269.65-109,399.02-43,466.64

Finding the Fourth Proportional to 79,269.65, 109,399.02 and 43,466.64

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Solution

The fourth proportional to 79,269.65, 109,399.02 and 43,466.64 is: 59,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,269.65 : 109,399.02 = 43,466.64 : x
  2. Step 2: Convert to fraction form
    79,269.65/109,399.02 = 43,466.64/x
  3. Step 3: Cross multiply
    79,269.65x = 109,399.02 × 43,466.64
  4. Step 4: Simplify right side
    79,269.65x = 4,755,207,245.45
  5. Step 5: Solve for x
    x = 4,755,207,245.45/79,269.65
  6. Step 6: Final answer
    x = 59,987.74

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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.