Home / 111,068.13-166,617.99-40,941.96

Finding the Fourth Proportional to 111,068.13, 166,617.99 and 40,941.96

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Solution

The fourth proportional to 111,068.13, 166,617.99 and 40,941.96 is: 61,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,068.13 : 166,617.99 = 40,941.96 : x
  2. Step 2: Convert to fraction form
    111,068.13/166,617.99 = 40,941.96/x
  3. Step 3: Cross multiply
    111,068.13x = 166,617.99 × 40,941.96
  4. Step 4: Simplify right side
    111,068.13x = 6,821,667,081.86
  5. Step 5: Solve for x
    x = 6,821,667,081.86/111,068.13
  6. Step 6: Final answer
    x = 61,418.76

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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.