Home / 111,531.08-167,340.18-49,157.84

Finding the Fourth Proportional to 111,531.08, 167,340.18 and 49,157.84

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Solution

The fourth proportional to 111,531.08, 167,340.18 and 49,157.84 is: 73,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,531.08 : 167,340.18 = 49,157.84 : x
  2. Step 2: Convert to fraction form
    111,531.08/167,340.18 = 49,157.84/x
  3. Step 3: Cross multiply
    111,531.08x = 167,340.18 × 49,157.84
  4. Step 4: Simplify right side
    111,531.08x = 8,226,081,794.01
  5. Step 5: Solve for x
    x = 8,226,081,794.01/111,531.08
  6. Step 6: Final answer
    x = 73,755.96

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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.