Home / 86,579.25-119,481.23-47,816.95

Finding the Fourth Proportional to 86,579.25, 119,481.23 and 47,816.95

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Solution

The fourth proportional to 86,579.25, 119,481.23 and 47,816.95 is: 65,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,579.25 : 119,481.23 = 47,816.95 : x
  2. Step 2: Convert to fraction form
    86,579.25/119,481.23 = 47,816.95/x
  3. Step 3: Cross multiply
    86,579.25x = 119,481.23 × 47,816.95
  4. Step 4: Simplify right side
    86,579.25x = 5,713,228,000.85
  5. Step 5: Solve for x
    x = 5,713,228,000.85/86,579.25
  6. Step 6: Final answer
    x = 65,988.42

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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.