Home / 69,236.22-103,864.30-21,835.20

Finding the Fourth Proportional to 69,236.22, 103,864.30 and 21,835.20

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Solution

The fourth proportional to 69,236.22, 103,864.30 and 21,835.20 is: 32,755.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,236.22 : 103,864.30 = 21,835.20 : x
  2. Step 2: Convert to fraction form
    69,236.22/103,864.30 = 21,835.20/x
  3. Step 3: Cross multiply
    69,236.22x = 103,864.30 × 21,835.20
  4. Step 4: Simplify right side
    69,236.22x = 2,267,897,763.36
  5. Step 5: Solve for x
    x = 2,267,897,763.36/69,236.22
  6. Step 6: Final answer
    x = 32,755.94

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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.