Home / 80,060.33-119,998.04-30,108.54

Finding the Fourth Proportional to 80,060.33, 119,998.04 and 30,108.54

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Solution

The fourth proportional to 80,060.33, 119,998.04 and 30,108.54 is: 45,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,060.33 : 119,998.04 = 30,108.54 : x
  2. Step 2: Convert to fraction form
    80,060.33/119,998.04 = 30,108.54/x
  3. Step 3: Cross multiply
    80,060.33x = 119,998.04 × 30,108.54
  4. Step 4: Simplify right side
    80,060.33x = 3,612,966,256.07
  5. Step 5: Solve for x
    x = 3,612,966,256.07/80,060.33
  6. Step 6: Final answer
    x = 45,128.04

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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.