Home / 72,676.26-108,856.11-35,157.18

Finding the Fourth Proportional to 72,676.26, 108,856.11 and 35,157.18

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Solution

The fourth proportional to 72,676.26, 108,856.11 and 35,157.18 is: 52,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,676.26 : 108,856.11 = 35,157.18 : x
  2. Step 2: Convert to fraction form
    72,676.26/108,856.11 = 35,157.18/x
  3. Step 3: Cross multiply
    72,676.26x = 108,856.11 × 35,157.18
  4. Step 4: Simplify right side
    72,676.26x = 3,827,073,853.37
  5. Step 5: Solve for x
    x = 3,827,073,853.37/72,676.26
  6. Step 6: Final answer
    x = 52,659.20

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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.