Home / 111,039.61-166,576.65-36,142.15

Finding the Fourth Proportional to 111,039.61, 166,576.65 and 36,142.15

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Solution

The fourth proportional to 111,039.61, 166,576.65 and 36,142.15 is: 54,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,039.61 : 166,576.65 = 36,142.15 : x
  2. Step 2: Convert to fraction form
    111,039.61/166,576.65 = 36,142.15/x
  3. Step 3: Cross multiply
    111,039.61x = 166,576.65 × 36,142.15
  4. Step 4: Simplify right side
    111,039.61x = 6,020,438,234.45
  5. Step 5: Solve for x
    x = 6,020,438,234.45/111,039.61
  6. Step 6: Final answer
    x = 54,218.83

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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.