Home / 108,281.20-162,416.04-34,403.44

Finding the Fourth Proportional to 108,281.20, 162,416.04 and 34,403.44

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Solution

The fourth proportional to 108,281.20, 162,416.04 and 34,403.44 is: 51,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,281.20 : 162,416.04 = 34,403.44 : x
  2. Step 2: Convert to fraction form
    108,281.20/162,416.04 = 34,403.44/x
  3. Step 3: Cross multiply
    108,281.20x = 162,416.04 × 34,403.44
  4. Step 4: Simplify right side
    108,281.20x = 5,587,670,487.18
  5. Step 5: Solve for x
    x = 5,587,670,487.18/108,281.20
  6. Step 6: Final answer
    x = 51,603.33

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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.