Home / 45,475.99-68,213.50-17,773.75

Finding the Fourth Proportional to 45,475.99, 68,213.50 and 17,773.75

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Solution

The fourth proportional to 45,475.99, 68,213.50 and 17,773.75 is: 26,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,475.99 : 68,213.50 = 17,773.75 : x
  2. Step 2: Convert to fraction form
    45,475.99/68,213.50 = 17,773.75/x
  3. Step 3: Cross multiply
    45,475.99x = 68,213.50 × 17,773.75
  4. Step 4: Simplify right side
    45,475.99x = 1,212,409,695.63
  5. Step 5: Solve for x
    x = 1,212,409,695.63/45,475.99
  6. Step 6: Final answer
    x = 26,660.44

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1.5x scale

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.