Home / 69,710.49-104,292.01-53,795.28

Finding the Fourth Proportional to 69,710.49, 104,292.01 and 53,795.28

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Solution

The fourth proportional to 69,710.49, 104,292.01 and 53,795.28 is: 80,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,710.49 : 104,292.01 = 53,795.28 : x
  2. Step 2: Convert to fraction form
    69,710.49/104,292.01 = 53,795.28/x
  3. Step 3: Cross multiply
    69,710.49x = 104,292.01 × 53,795.28
  4. Step 4: Simplify right side
    69,710.49x = 5,610,418,196.03
  5. Step 5: Solve for x
    x = 5,610,418,196.03/69,710.49
  6. Step 6: Final answer
    x = 80,481.69

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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.