Home / 108,727.12-163,065.43-29,847.70

Finding the Fourth Proportional to 108,727.12, 163,065.43 and 29,847.70

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Solution

The fourth proportional to 108,727.12, 163,065.43 and 29,847.70 is: 44,764.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,727.12 : 163,065.43 = 29,847.70 : x
  2. Step 2: Convert to fraction form
    108,727.12/163,065.43 = 29,847.70/x
  3. Step 3: Cross multiply
    108,727.12x = 163,065.43 × 29,847.70
  4. Step 4: Simplify right side
    108,727.12x = 4,867,128,035.01
  5. Step 5: Solve for x
    x = 4,867,128,035.01/108,727.12
  6. Step 6: Final answer
    x = 44,764.62

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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.