Home / 82,919.44-124,340.28-30,292.12

Finding the Fourth Proportional to 82,919.44, 124,340.28 and 30,292.12

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Solution

The fourth proportional to 82,919.44, 124,340.28 and 30,292.12 is: 45,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,919.44 : 124,340.28 = 30,292.12 : x
  2. Step 2: Convert to fraction form
    82,919.44/124,340.28 = 30,292.12/x
  3. Step 3: Cross multiply
    82,919.44x = 124,340.28 × 30,292.12
  4. Step 4: Simplify right side
    82,919.44x = 3,766,530,682.59
  5. Step 5: Solve for x
    x = 3,766,530,682.59/82,919.44
  6. Step 6: Final answer
    x = 45,423.98

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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.