Home / 79,116.92-109,300.02-51,957.44

Finding the Fourth Proportional to 79,116.92, 109,300.02 and 51,957.44

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Solution

The fourth proportional to 79,116.92, 109,300.02 and 51,957.44 is: 71,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,116.92 : 109,300.02 = 51,957.44 : x
  2. Step 2: Convert to fraction form
    79,116.92/109,300.02 = 51,957.44/x
  3. Step 3: Cross multiply
    79,116.92x = 109,300.02 × 51,957.44
  4. Step 4: Simplify right side
    79,116.92x = 5,678,949,231.15
  5. Step 5: Solve for x
    x = 5,678,949,231.15/79,116.92
  6. Step 6: Final answer
    x = 71,779.20

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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.