Home / 69,821.35-104,708.53-22,424.81

Finding the Fourth Proportional to 69,821.35, 104,708.53 and 22,424.81

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Solution

The fourth proportional to 69,821.35, 104,708.53 and 22,424.81 is: 33,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,821.35 : 104,708.53 = 22,424.81 : x
  2. Step 2: Convert to fraction form
    69,821.35/104,708.53 = 22,424.81/x
  3. Step 3: Cross multiply
    69,821.35x = 104,708.53 × 22,424.81
  4. Step 4: Simplify right side
    69,821.35x = 2,348,068,890.63
  5. Step 5: Solve for x
    x = 2,348,068,890.63/69,821.35
  6. Step 6: Final answer
    x = 33,629.67

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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.