Home / 108,622.23-162,985.19-38,534.55

Finding the Fourth Proportional to 108,622.23, 162,985.19 and 38,534.55

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Solution

The fourth proportional to 108,622.23, 162,985.19 and 38,534.55 is: 57,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,622.23 : 162,985.19 = 38,534.55 : x
  2. Step 2: Convert to fraction form
    108,622.23/162,985.19 = 38,534.55/x
  3. Step 3: Cross multiply
    108,622.23x = 162,985.19 × 38,534.55
  4. Step 4: Simplify right side
    108,622.23x = 6,280,560,760.64
  5. Step 5: Solve for x
    x = 6,280,560,760.64/108,622.23
  6. Step 6: Final answer
    x = 57,820.22

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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.