Home / 45,826.75-68,740.53-18,124.75

Finding the Fourth Proportional to 45,826.75, 68,740.53 and 18,124.75

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Solution

The fourth proportional to 45,826.75, 68,740.53 and 18,124.75 is: 27,187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,826.75 : 68,740.53 = 18,124.75 : x
  2. Step 2: Convert to fraction form
    45,826.75/68,740.53 = 18,124.75/x
  3. Step 3: Cross multiply
    45,826.75x = 68,740.53 × 18,124.75
  4. Step 4: Simplify right side
    45,826.75x = 1,245,904,921.12
  5. Step 5: Solve for x
    x = 1,245,904,921.12/45,826.75
  6. Step 6: Final answer
    x = 27,187.29

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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.