Home / 113,806.44-170,728.20-42,734.58

Finding the Fourth Proportional to 113,806.44, 170,728.20 and 42,734.58

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Solution

The fourth proportional to 113,806.44, 170,728.20 and 42,734.58 is: 64,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,806.44 : 170,728.20 = 42,734.58 : x
  2. Step 2: Convert to fraction form
    113,806.44/170,728.20 = 42,734.58/x
  3. Step 3: Cross multiply
    113,806.44x = 170,728.20 × 42,734.58
  4. Step 4: Simplify right side
    113,806.44x = 7,295,997,921.16
  5. Step 5: Solve for x
    x = 7,295,997,921.16/113,806.44
  6. Step 6: Final answer
    x = 64,108.83

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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.