Home / 45,084.96-67,633.60-18,783.56

Finding the Fourth Proportional to 45,084.96, 67,633.60 and 18,783.56

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Solution

The fourth proportional to 45,084.96, 67,633.60 and 18,783.56 is: 28,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,084.96 : 67,633.60 = 18,783.56 : x
  2. Step 2: Convert to fraction form
    45,084.96/67,633.60 = 18,783.56/x
  3. Step 3: Cross multiply
    45,084.96x = 67,633.60 × 18,783.56
  4. Step 4: Simplify right side
    45,084.96x = 1,270,399,783.62
  5. Step 5: Solve for x
    x = 1,270,399,783.62/45,084.96
  6. Step 6: Final answer
    x = 28,177.91

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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.