Home / 79,976.94-119,990.02-57,798.04

Finding the Fourth Proportional to 79,976.94, 119,990.02 and 57,798.04

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Solution

The fourth proportional to 79,976.94, 119,990.02 and 57,798.04 is: 86,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,976.94 : 119,990.02 = 57,798.04 : x
  2. Step 2: Convert to fraction form
    79,976.94/119,990.02 = 57,798.04/x
  3. Step 3: Cross multiply
    79,976.94x = 119,990.02 × 57,798.04
  4. Step 4: Simplify right side
    79,976.94x = 6,935,187,975.56
  5. Step 5: Solve for x
    x = 6,935,187,975.56/79,976.94
  6. Step 6: Final answer
    x = 86,714.85

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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.