Home / 76,772.28-115,162.52-24,185.88

Finding the Fourth Proportional to 76,772.28, 115,162.52 and 24,185.88

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Solution

The fourth proportional to 76,772.28, 115,162.52 and 24,185.88 is: 36,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,772.28 : 115,162.52 = 24,185.88 : x
  2. Step 2: Convert to fraction form
    76,772.28/115,162.52 = 24,185.88/x
  3. Step 3: Cross multiply
    76,772.28x = 115,162.52 × 24,185.88
  4. Step 4: Simplify right side
    76,772.28x = 2,785,306,889.22
  5. Step 5: Solve for x
    x = 2,785,306,889.22/76,772.28
  6. Step 6: Final answer
    x = 36,280.11

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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.