Home / 108,415.48-162,638.70-33,542.01

Finding the Fourth Proportional to 108,415.48, 162,638.70 and 33,542.01

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Solution

The fourth proportional to 108,415.48, 162,638.70 and 33,542.01 is: 50,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,415.48 : 162,638.70 = 33,542.01 : x
  2. Step 2: Convert to fraction form
    108,415.48/162,638.70 = 33,542.01/x
  3. Step 3: Cross multiply
    108,415.48x = 162,638.70 × 33,542.01
  4. Step 4: Simplify right side
    108,415.48x = 5,455,228,901.79
  5. Step 5: Solve for x
    x = 5,455,228,901.79/108,415.48
  6. Step 6: Final answer
    x = 50,317.81

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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.