Home / 118,481.90-177,722.82-47,436.50

Finding the Fourth Proportional to 118,481.90, 177,722.82 and 47,436.50

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Solution

The fourth proportional to 118,481.90, 177,722.82 and 47,436.50 is: 71,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,481.90 : 177,722.82 = 47,436.50 : x
  2. Step 2: Convert to fraction form
    118,481.90/177,722.82 = 47,436.50/x
  3. Step 3: Cross multiply
    118,481.90x = 177,722.82 × 47,436.50
  4. Step 4: Simplify right side
    118,481.90x = 8,430,548,550.93
  5. Step 5: Solve for x
    x = 8,430,548,550.93/118,481.90
  6. Step 6: Final answer
    x = 71,154.74

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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.