Home / 108,720.15-163,096.43-38,593.59

Finding the Fourth Proportional to 108,720.15, 163,096.43 and 38,593.59

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Solution

The fourth proportional to 108,720.15, 163,096.43 and 38,593.59 is: 57,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,720.15 : 163,096.43 = 38,593.59 : x
  2. Step 2: Convert to fraction form
    108,720.15/163,096.43 = 38,593.59/x
  3. Step 3: Cross multiply
    108,720.15x = 163,096.43 × 38,593.59
  4. Step 4: Simplify right side
    108,720.15x = 6,294,476,556.92
  5. Step 5: Solve for x
    x = 6,294,476,556.92/108,720.15
  6. Step 6: Final answer
    x = 57,896.14

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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.