Home / 111,915.20-167,833.68-33,008.48

Finding the Fourth Proportional to 111,915.20, 167,833.68 and 33,008.48

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Solution

The fourth proportional to 111,915.20, 167,833.68 and 33,008.48 is: 49,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,915.20 : 167,833.68 = 33,008.48 : x
  2. Step 2: Convert to fraction form
    111,915.20/167,833.68 = 33,008.48/x
  3. Step 3: Cross multiply
    111,915.20x = 167,833.68 × 33,008.48
  4. Step 4: Simplify right side
    111,915.20x = 5,539,934,669.61
  5. Step 5: Solve for x
    x = 5,539,934,669.61/111,915.20
  6. Step 6: Final answer
    x = 49,501.18

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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.