Home / 69,966.22-104,948.81-20,046.36

Finding the Fourth Proportional to 69,966.22, 104,948.81 and 20,046.36

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Solution

The fourth proportional to 69,966.22, 104,948.81 and 20,046.36 is: 30,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,966.22 : 104,948.81 = 20,046.36 : x
  2. Step 2: Convert to fraction form
    69,966.22/104,948.81 = 20,046.36/x
  3. Step 3: Cross multiply
    69,966.22x = 104,948.81 × 20,046.36
  4. Step 4: Simplify right side
    69,966.22x = 2,103,841,626.83
  5. Step 5: Solve for x
    x = 2,103,841,626.83/69,966.22
  6. Step 6: Final answer
    x = 30,069.39

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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.