Home / 108,051.47-162,090.13-33,161.81

Finding the Fourth Proportional to 108,051.47, 162,090.13 and 33,161.81

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Solution

The fourth proportional to 108,051.47, 162,090.13 and 33,161.81 is: 49,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,051.47 : 162,090.13 = 33,161.81 : x
  2. Step 2: Convert to fraction form
    108,051.47/162,090.13 = 33,161.81/x
  3. Step 3: Cross multiply
    108,051.47x = 162,090.13 × 33,161.81
  4. Step 4: Simplify right side
    108,051.47x = 5,375,202,358.44
  5. Step 5: Solve for x
    x = 5,375,202,358.44/108,051.47
  6. Step 6: Final answer
    x = 49,746.68

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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.