Home / 111,750.20-167,635.43-36,870.56

Finding the Fourth Proportional to 111,750.20, 167,635.43 and 36,870.56

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Solution

The fourth proportional to 111,750.20, 167,635.43 and 36,870.56 is: 55,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,750.20 : 167,635.43 = 36,870.56 : x
  2. Step 2: Convert to fraction form
    111,750.20/167,635.43 = 36,870.56/x
  3. Step 3: Cross multiply
    111,750.20x = 167,635.43 × 36,870.56
  4. Step 4: Simplify right side
    111,750.20x = 6,180,812,179.94
  5. Step 5: Solve for x
    x = 6,180,812,179.94/111,750.20
  6. Step 6: Final answer
    x = 55,309.18

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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.