Home / 69,966.86-104,919.41-20,035.62

Finding the Fourth Proportional to 69,966.86, 104,919.41 and 20,035.62

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Solution

The fourth proportional to 69,966.86, 104,919.41 and 20,035.62 is: 30,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,966.86 : 104,919.41 = 20,035.62 : x
  2. Step 2: Convert to fraction form
    69,966.86/104,919.41 = 20,035.62/x
  3. Step 3: Cross multiply
    69,966.86x = 104,919.41 × 20,035.62
  4. Step 4: Simplify right side
    69,966.86x = 2,102,125,429.38
  5. Step 5: Solve for x
    x = 2,102,125,429.38/69,966.86
  6. Step 6: Final answer
    x = 30,044.59

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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.