Home / 69,396.60-95,765.16-39,181.44

Finding the Fourth Proportional to 69,396.60, 95,765.16 and 39,181.44

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Solution

The fourth proportional to 69,396.60, 95,765.16 and 39,181.44 is: 54,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,396.60 : 95,765.16 = 39,181.44 : x
  2. Step 2: Convert to fraction form
    69,396.60/95,765.16 = 39,181.44/x
  3. Step 3: Cross multiply
    69,396.60x = 95,765.16 × 39,181.44
  4. Step 4: Simplify right side
    69,396.60x = 3,752,216,870.63
  5. Step 5: Solve for x
    x = 3,752,216,870.63/69,396.60
  6. Step 6: Final answer
    x = 54,069.17

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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.