Home / 45,933.60-68,940.90-27,190.20

Finding the Fourth Proportional to 45,933.60, 68,940.90 and 27,190.20

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Solution

The fourth proportional to 45,933.60, 68,940.90 and 27,190.20 is: 40,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,933.60 : 68,940.90 = 27,190.20 : x
  2. Step 2: Convert to fraction form
    45,933.60/68,940.90 = 27,190.20/x
  3. Step 3: Cross multiply
    45,933.60x = 68,940.90 × 27,190.20
  4. Step 4: Simplify right side
    45,933.60x = 1,874,516,859.18
  5. Step 5: Solve for x
    x = 1,874,516,859.18/45,933.60
  6. Step 6: Final answer
    x = 40,809.27

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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.