Home / 82,815.20-124,224.84-30,224.66

Finding the Fourth Proportional to 82,815.20, 124,224.84 and 30,224.66

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Solution

The fourth proportional to 82,815.20, 124,224.84 and 30,224.66 is: 45,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,815.20 : 124,224.84 = 30,224.66 : x
  2. Step 2: Convert to fraction form
    82,815.20/124,224.84 = 30,224.66/x
  3. Step 3: Cross multiply
    82,815.20x = 124,224.84 × 30,224.66
  4. Step 4: Simplify right side
    82,815.20x = 3,754,653,552.55
  5. Step 5: Solve for x
    x = 3,754,653,552.55/82,815.20
  6. Step 6: Final answer
    x = 45,337.73

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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.