Home / 76,856.72-115,282.20-24,269.36

Finding the Fourth Proportional to 76,856.72, 115,282.20 and 24,269.36

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Solution

The fourth proportional to 76,856.72, 115,282.20 and 24,269.36 is: 36,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,856.72 : 115,282.20 = 24,269.36 : x
  2. Step 2: Convert to fraction form
    76,856.72/115,282.20 = 24,269.36/x
  3. Step 3: Cross multiply
    76,856.72x = 115,282.20 × 24,269.36
  4. Step 4: Simplify right side
    76,856.72x = 2,797,825,213.39
  5. Step 5: Solve for x
    x = 2,797,825,213.39/76,856.72
  6. Step 6: Final answer
    x = 36,403.13

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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.