Home / 82,999.08-124,279.92-49,640.04

Finding the Fourth Proportional to 82,999.08, 124,279.92 and 49,640.04

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Solution

The fourth proportional to 82,999.08, 124,279.92 and 49,640.04 is: 74,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,999.08 : 124,279.92 = 49,640.04 : x
  2. Step 2: Convert to fraction form
    82,999.08/124,279.92 = 49,640.04/x
  3. Step 3: Cross multiply
    82,999.08x = 124,279.92 × 49,640.04
  4. Step 4: Simplify right side
    82,999.08x = 6,169,260,200.00
  5. Step 5: Solve for x
    x = 6,169,260,200.00/82,999.08
  6. Step 6: Final answer
    x = 74,329.26

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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.