Home / 82,874.12-124,319.19-32,943.02

Finding the Fourth Proportional to 82,874.12, 124,319.19 and 32,943.02

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Solution

The fourth proportional to 82,874.12, 124,319.19 and 32,943.02 is: 49,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,874.12 : 124,319.19 = 32,943.02 : x
  2. Step 2: Convert to fraction form
    82,874.12/124,319.19 = 32,943.02/x
  3. Step 3: Cross multiply
    82,874.12x = 124,319.19 × 32,943.02
  4. Step 4: Simplify right side
    82,874.12x = 4,095,448,940.96
  5. Step 5: Solve for x
    x = 4,095,448,940.96/82,874.12
  6. Step 6: Final answer
    x = 49,417.71

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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.