Home / 45,783.81-68,720.11-22,108.05

Finding the Fourth Proportional to 45,783.81, 68,720.11 and 22,108.05

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Solution

The fourth proportional to 45,783.81, 68,720.11 and 22,108.05 is: 33,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,783.81 : 68,720.11 = 22,108.05 : x
  2. Step 2: Convert to fraction form
    45,783.81/68,720.11 = 22,108.05/x
  3. Step 3: Cross multiply
    45,783.81x = 68,720.11 × 22,108.05
  4. Step 4: Simplify right side
    45,783.81x = 1,519,267,572.62
  5. Step 5: Solve for x
    x = 1,519,267,572.62/45,783.81
  6. Step 6: Final answer
    x = 33,183.51

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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.