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Finding the Fourth Proportional to 108,482.72, 162,739.53 and 33,608.75

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Solution

The fourth proportional to 108,482.72, 162,739.53 and 33,608.75 is: 50,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,482.72 : 162,739.53 = 33,608.75 : x
  2. Step 2: Convert to fraction form
    108,482.72/162,739.53 = 33,608.75/x
  3. Step 3: Cross multiply
    108,482.72x = 162,739.53 × 33,608.75
  4. Step 4: Simplify right side
    108,482.72x = 5,469,471,365.19
  5. Step 5: Solve for x
    x = 5,469,471,365.19/108,482.72
  6. Step 6: Final answer
    x = 50,417.91

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1.5x scale

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.