Home / 75,336.39-112,960.83-28,563.75

Finding the Fourth Proportional to 75,336.39, 112,960.83 and 28,563.75

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Solution

The fourth proportional to 75,336.39, 112,960.83 and 28,563.75 is: 42,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,336.39 : 112,960.83 = 28,563.75 : x
  2. Step 2: Convert to fraction form
    75,336.39/112,960.83 = 28,563.75/x
  3. Step 3: Cross multiply
    75,336.39x = 112,960.83 × 28,563.75
  4. Step 4: Simplify right side
    75,336.39x = 3,226,584,907.91
  5. Step 5: Solve for x
    x = 3,226,584,907.91/75,336.39
  6. Step 6: Final answer
    x = 42,829.04

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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.