Home / 112,135.48-168,174.56-33,231.28

Finding the Fourth Proportional to 112,135.48, 168,174.56 and 33,231.28

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Solution

The fourth proportional to 112,135.48, 168,174.56 and 33,231.28 is: 49,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,135.48 : 168,174.56 = 33,231.28 : x
  2. Step 2: Convert to fraction form
    112,135.48/168,174.56 = 33,231.28/x
  3. Step 3: Cross multiply
    112,135.48x = 168,174.56 × 33,231.28
  4. Step 4: Simplify right side
    112,135.48x = 5,588,655,892.24
  5. Step 5: Solve for x
    x = 5,588,655,892.24/112,135.48
  6. Step 6: Final answer
    x = 49,838.43

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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.