Home / 77,695.57-107,181.07-49,050.73

Finding the Fourth Proportional to 77,695.57, 107,181.07 and 49,050.73

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Solution

The fourth proportional to 77,695.57, 107,181.07 and 49,050.73 is: 67,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,695.57 : 107,181.07 = 49,050.73 : x
  2. Step 2: Convert to fraction form
    77,695.57/107,181.07 = 49,050.73/x
  3. Step 3: Cross multiply
    77,695.57x = 107,181.07 × 49,050.73
  4. Step 4: Simplify right side
    77,695.57x = 5,257,310,012.94
  5. Step 5: Solve for x
    x = 5,257,310,012.94/77,695.57
  6. Step 6: Final answer
    x = 67,665.50

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.