Home / 69,712.49-104,295.01-53,797.28

Finding the Fourth Proportional to 69,712.49, 104,295.01 and 53,797.28

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Solution

The fourth proportional to 69,712.49, 104,295.01 and 53,797.28 is: 80,484.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.49 : 104,295.01 = 53,797.28 : x
  2. Step 2: Convert to fraction form
    69,712.49/104,295.01 = 53,797.28/x
  3. Step 3: Cross multiply
    69,712.49x = 104,295.01 × 53,797.28
  4. Step 4: Simplify right side
    69,712.49x = 5,610,787,855.57
  5. Step 5: Solve for x
    x = 5,610,787,855.57/69,712.49
  6. Step 6: Final answer
    x = 80,484.69

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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.