Home / 111,731.66-167,561.49-36,834.38

Finding the Fourth Proportional to 111,731.66, 167,561.49 and 36,834.38

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Solution

The fourth proportional to 111,731.66, 167,561.49 and 36,834.38 is: 55,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,731.66 : 167,561.49 = 36,834.38 : x
  2. Step 2: Convert to fraction form
    111,731.66/167,561.49 = 36,834.38/x
  3. Step 3: Cross multiply
    111,731.66x = 167,561.49 × 36,834.38
  4. Step 4: Simplify right side
    111,731.66x = 6,172,023,596.03
  5. Step 5: Solve for x
    x = 6,172,023,596.03/111,731.66
  6. Step 6: Final answer
    x = 55,239.70

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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.