Home / 111,009.49-166,516.29-36,129.38

Finding the Fourth Proportional to 111,009.49, 166,516.29 and 36,129.38

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Solution

The fourth proportional to 111,009.49, 166,516.29 and 36,129.38 is: 54,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,009.49 : 166,516.29 = 36,129.38 : x
  2. Step 2: Convert to fraction form
    111,009.49/166,516.29 = 36,129.38/x
  3. Step 3: Cross multiply
    111,009.49x = 166,516.29 × 36,129.38
  4. Step 4: Simplify right side
    111,009.49x = 6,016,129,485.02
  5. Step 5: Solve for x
    x = 6,016,129,485.02/111,009.49
  6. Step 6: Final answer
    x = 54,194.73

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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.