Home / 76,200.20-114,081.60-46,675.70

Finding the Fourth Proportional to 76,200.20, 114,081.60 and 46,675.70

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Solution

The fourth proportional to 76,200.20, 114,081.60 and 46,675.70 is: 69,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,200.20 : 114,081.60 = 46,675.70 : x
  2. Step 2: Convert to fraction form
    76,200.20/114,081.60 = 46,675.70/x
  3. Step 3: Cross multiply
    76,200.20x = 114,081.60 × 46,675.70
  4. Step 4: Simplify right side
    76,200.20x = 5,324,838,537.12
  5. Step 5: Solve for x
    x = 5,324,838,537.12/76,200.20
  6. Step 6: Final answer
    x = 69,879.59

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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.