Home / 69,764.22-104,646.33-20,516.22

Finding the Fourth Proportional to 69,764.22, 104,646.33 and 20,516.22

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Solution

The fourth proportional to 69,764.22, 104,646.33 and 20,516.22 is: 30,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,764.22 : 104,646.33 = 20,516.22 : x
  2. Step 2: Convert to fraction form
    69,764.22/104,646.33 = 20,516.22/x
  3. Step 3: Cross multiply
    69,764.22x = 104,646.33 × 20,516.22
  4. Step 4: Simplify right side
    69,764.22x = 2,146,947,128.47
  5. Step 5: Solve for x
    x = 2,146,947,128.47/69,764.22
  6. Step 6: Final answer
    x = 30,774.33

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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.