Home / 69,766.11-104,635.80-19,845.81

Finding the Fourth Proportional to 69,766.11, 104,635.80 and 19,845.81

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Solution

The fourth proportional to 69,766.11, 104,635.80 and 19,845.81 is: 29,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,766.11 : 104,635.80 = 19,845.81 : x
  2. Step 2: Convert to fraction form
    69,766.11/104,635.80 = 19,845.81/x
  3. Step 3: Cross multiply
    69,766.11x = 104,635.80 × 19,845.81
  4. Step 4: Simplify right side
    69,766.11x = 2,076,582,206.00
  5. Step 5: Solve for x
    x = 2,076,582,206.00/69,766.11
  6. Step 6: Final answer
    x = 29,764.91

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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.