Home / 79,464.87-109,672.02-51,252.57

Finding the Fourth Proportional to 79,464.87, 109,672.02 and 51,252.57

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Solution

The fourth proportional to 79,464.87, 109,672.02 and 51,252.57 is: 70,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,464.87 : 109,672.02 = 51,252.57 : x
  2. Step 2: Convert to fraction form
    79,464.87/109,672.02 = 51,252.57/x
  3. Step 3: Cross multiply
    79,464.87x = 109,672.02 × 51,252.57
  4. Step 4: Simplify right side
    79,464.87x = 5,620,972,882.09
  5. Step 5: Solve for x
    x = 5,620,972,882.09/79,464.87
  6. Step 6: Final answer
    x = 70,735.32

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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.