Home / 69,317.28-104,047.70-42,682.44

Finding the Fourth Proportional to 69,317.28, 104,047.70 and 42,682.44

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Solution

The fourth proportional to 69,317.28, 104,047.70 and 42,682.44 is: 64,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,317.28 : 104,047.70 = 42,682.44 : x
  2. Step 2: Convert to fraction form
    69,317.28/104,047.70 = 42,682.44/x
  3. Step 3: Cross multiply
    69,317.28x = 104,047.70 × 42,682.44
  4. Step 4: Simplify right side
    69,317.28x = 4,441,009,712.39
  5. Step 5: Solve for x
    x = 4,441,009,712.39/69,317.28
  6. Step 6: Final answer
    x = 64,067.86

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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.