Home / 52,616.80-78,880.92-43,257.52

Finding the Fourth Proportional to 52,616.80, 78,880.92 and 43,257.52

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Solution

The fourth proportional to 52,616.80, 78,880.92 and 43,257.52 is: 64,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,616.80 : 78,880.92 = 43,257.52 : x
  2. Step 2: Convert to fraction form
    52,616.80/78,880.92 = 43,257.52/x
  3. Step 3: Cross multiply
    52,616.80x = 78,880.92 × 43,257.52
  4. Step 4: Simplify right side
    52,616.80x = 3,412,192,974.52
  5. Step 5: Solve for x
    x = 3,412,192,974.52/52,616.80
  6. Step 6: Final answer
    x = 64,849.88

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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.