Home / 69,981.12-104,898.24-23,221.44

Finding the Fourth Proportional to 69,981.12, 104,898.24 and 23,221.44

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Solution

The fourth proportional to 69,981.12, 104,898.24 and 23,221.44 is: 34,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,981.12 : 104,898.24 = 23,221.44 : x
  2. Step 2: Convert to fraction form
    69,981.12/104,898.24 = 23,221.44/x
  3. Step 3: Cross multiply
    69,981.12x = 104,898.24 × 23,221.44
  4. Step 4: Simplify right side
    69,981.12x = 2,435,888,186.27
  5. Step 5: Solve for x
    x = 2,435,888,186.27/69,981.12
  6. Step 6: Final answer
    x = 34,807.79

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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.