Home / 111,041.12-166,578.90-36,143.66

Finding the Fourth Proportional to 111,041.12, 166,578.90 and 36,143.66

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Solution

The fourth proportional to 111,041.12, 166,578.90 and 36,143.66 is: 54,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,041.12 : 166,578.90 = 36,143.66 : x
  2. Step 2: Convert to fraction form
    111,041.12/166,578.90 = 36,143.66/x
  3. Step 3: Cross multiply
    111,041.12x = 166,578.90 × 36,143.66
  4. Step 4: Simplify right side
    111,041.12x = 6,020,770,291.88
  5. Step 5: Solve for x
    x = 6,020,770,291.88/111,041.12
  6. Step 6: Final answer
    x = 54,221.09

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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.