Home / 45,833.45-68,755.03-19,540.85

Finding the Fourth Proportional to 45,833.45, 68,755.03 and 19,540.85

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Solution

The fourth proportional to 45,833.45, 68,755.03 and 19,540.85 is: 29,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,833.45 : 68,755.03 = 19,540.85 : x
  2. Step 2: Convert to fraction form
    45,833.45/68,755.03 = 19,540.85/x
  3. Step 3: Cross multiply
    45,833.45x = 68,755.03 × 19,540.85
  4. Step 4: Simplify right side
    45,833.45x = 1,343,531,335.35
  5. Step 5: Solve for x
    x = 1,343,531,335.35/45,833.45
  6. Step 6: Final answer
    x = 29,313.34

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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.