Home / 82,713.26-123,999.69-32,828.60

Finding the Fourth Proportional to 82,713.26, 123,999.69 and 32,828.60

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Solution

The fourth proportional to 82,713.26, 123,999.69 and 32,828.60 is: 49,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,713.26 : 123,999.69 = 32,828.60 : x
  2. Step 2: Convert to fraction form
    82,713.26/123,999.69 = 32,828.60/x
  3. Step 3: Cross multiply
    82,713.26x = 123,999.69 × 32,828.60
  4. Step 4: Simplify right side
    82,713.26x = 4,070,736,223.13
  5. Step 5: Solve for x
    x = 4,070,736,223.13/82,713.26
  6. Step 6: Final answer
    x = 49,215.04

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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.