Home / 74,944.80-112,404.24-28,198.08

Finding the Fourth Proportional to 74,944.80, 112,404.24 and 28,198.08

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Solution

The fourth proportional to 74,944.80, 112,404.24 and 28,198.08 is: 42,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,944.80 : 112,404.24 = 28,198.08 : x
  2. Step 2: Convert to fraction form
    74,944.80/112,404.24 = 28,198.08/x
  3. Step 3: Cross multiply
    74,944.80x = 112,404.24 × 28,198.08
  4. Step 4: Simplify right side
    74,944.80x = 3,169,583,751.86
  5. Step 5: Solve for x
    x = 3,169,583,751.86/74,944.80
  6. Step 6: Final answer
    x = 42,292.24

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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.