Home / 118,581.70-177,872.55-48,511.30

Finding the Fourth Proportional to 118,581.70, 177,872.55 and 48,511.30

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Solution

The fourth proportional to 118,581.70, 177,872.55 and 48,511.30 is: 72,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,581.70 : 177,872.55 = 48,511.30 : x
  2. Step 2: Convert to fraction form
    118,581.70/177,872.55 = 48,511.30/x
  3. Step 3: Cross multiply
    118,581.70x = 177,872.55 × 48,511.30
  4. Step 4: Simplify right side
    118,581.70x = 8,628,828,634.82
  5. Step 5: Solve for x
    x = 8,628,828,634.82/118,581.70
  6. Step 6: Final answer
    x = 72,766.95

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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.