Home / 82,845.25-124,230.94-30,217.81

Finding the Fourth Proportional to 82,845.25, 124,230.94 and 30,217.81

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Solution

The fourth proportional to 82,845.25, 124,230.94 and 30,217.81 is: 45,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,845.25 : 124,230.94 = 30,217.81 : x
  2. Step 2: Convert to fraction form
    82,845.25/124,230.94 = 30,217.81/x
  3. Step 3: Cross multiply
    82,845.25x = 124,230.94 × 30,217.81
  4. Step 4: Simplify right side
    82,845.25x = 3,753,986,941.04
  5. Step 5: Solve for x
    x = 3,753,986,941.04/82,845.25
  6. Step 6: Final answer
    x = 45,313.24

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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.