Home / 75,592.45-113,379.86-28,209.17

Finding the Fourth Proportional to 75,592.45, 113,379.86 and 28,209.17

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Solution

The fourth proportional to 75,592.45, 113,379.86 and 28,209.17 is: 42,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,592.45 : 113,379.86 = 28,209.17 : x
  2. Step 2: Convert to fraction form
    75,592.45/113,379.86 = 28,209.17/x
  3. Step 3: Cross multiply
    75,592.45x = 113,379.86 × 28,209.17
  4. Step 4: Simplify right side
    75,592.45x = 3,198,351,604.27
  5. Step 5: Solve for x
    x = 3,198,351,604.27/75,592.45
  6. Step 6: Final answer
    x = 42,310.47

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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.