Home / 74,166.77-111,249.05-18,007.31

Finding the Fourth Proportional to 74,166.77, 111,249.05 and 18,007.31

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Solution

The fourth proportional to 74,166.77, 111,249.05 and 18,007.31 is: 27,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,166.77 : 111,249.05 = 18,007.31 : x
  2. Step 2: Convert to fraction form
    74,166.77/111,249.05 = 18,007.31/x
  3. Step 3: Cross multiply
    74,166.77x = 111,249.05 × 18,007.31
  4. Step 4: Simplify right side
    74,166.77x = 2,003,296,318.64
  5. Step 5: Solve for x
    x = 2,003,296,318.64/74,166.77
  6. Step 6: Final answer
    x = 27,010.70

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1.5x scale

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.