Home / 111,619.52-167,355.84-63,589.20

Finding the Fourth Proportional to 111,619.52, 167,355.84 and 63,589.20

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Solution

The fourth proportional to 111,619.52, 167,355.84 and 63,589.20 is: 95,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,619.52 : 167,355.84 = 63,589.20 : x
  2. Step 2: Convert to fraction form
    111,619.52/167,355.84 = 63,589.20/x
  3. Step 3: Cross multiply
    111,619.52x = 167,355.84 × 63,589.20
  4. Step 4: Simplify right side
    111,619.52x = 10,642,023,980.93
  5. Step 5: Solve for x
    x = 10,642,023,980.93/111,619.52
  6. Step 6: Final answer
    x = 95,341.96

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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.