Home / 69,069.77-103,604.66-21,688.41

Finding the Fourth Proportional to 69,069.77, 103,604.66 and 21,688.41

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Solution

The fourth proportional to 69,069.77, 103,604.66 and 21,688.41 is: 32,532.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,069.77 : 103,604.66 = 21,688.41 : x
  2. Step 2: Convert to fraction form
    69,069.77/103,604.66 = 21,688.41/x
  3. Step 3: Cross multiply
    69,069.77x = 103,604.66 × 21,688.41
  4. Step 4: Simplify right side
    69,069.77x = 2,247,020,343.99
  5. Step 5: Solve for x
    x = 2,247,020,343.99/69,069.77
  6. Step 6: Final answer
    x = 32,532.62

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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.