Home / 82,664.68-123,920.52-30,060.04

Finding the Fourth Proportional to 82,664.68, 123,920.52 and 30,060.04

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Solution

The fourth proportional to 82,664.68, 123,920.52 and 30,060.04 is: 45,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,664.68 : 123,920.52 = 30,060.04 : x
  2. Step 2: Convert to fraction form
    82,664.68/123,920.52 = 30,060.04/x
  3. Step 3: Cross multiply
    82,664.68x = 123,920.52 × 30,060.04
  4. Step 4: Simplify right side
    82,664.68x = 3,725,055,788.02
  5. Step 5: Solve for x
    x = 3,725,055,788.02/82,664.68
  6. Step 6: Final answer
    x = 45,062.24

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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.