Home / 108,774.40-150,112.56-63,481.28

Finding the Fourth Proportional to 108,774.40, 150,112.56 and 63,481.28

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Solution

The fourth proportional to 108,774.40, 150,112.56 and 63,481.28 is: 87,606.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,774.40 : 150,112.56 = 63,481.28 : x
  2. Step 2: Convert to fraction form
    108,774.40/150,112.56 = 63,481.28/x
  3. Step 3: Cross multiply
    108,774.40x = 150,112.56 × 63,481.28
  4. Step 4: Simplify right side
    108,774.40x = 9,529,337,452.88
  5. Step 5: Solve for x
    x = 9,529,337,452.88/108,774.40
  6. Step 6: Final answer
    x = 87,606.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.