Home / 69,062.22-103,595.36-19,142.73

Finding the Fourth Proportional to 69,062.22, 103,595.36 and 19,142.73

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Solution

The fourth proportional to 69,062.22, 103,595.36 and 19,142.73 is: 28,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,062.22 : 103,595.36 = 19,142.73 : x
  2. Step 2: Convert to fraction form
    69,062.22/103,595.36 = 19,142.73/x
  3. Step 3: Cross multiply
    69,062.22x = 103,595.36 × 19,142.73
  4. Step 4: Simplify right side
    69,062.22x = 1,983,097,910.02
  5. Step 5: Solve for x
    x = 1,983,097,910.02/69,062.22
  6. Step 6: Final answer
    x = 28,714.66

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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.