Home / 69,856.09-104,783.11-17,265.58

Finding the Fourth Proportional to 69,856.09, 104,783.11 and 17,265.58

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Solution

The fourth proportional to 69,856.09, 104,783.11 and 17,265.58 is: 25,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,856.09 : 104,783.11 = 17,265.58 : x
  2. Step 2: Convert to fraction form
    69,856.09/104,783.11 = 17,265.58/x
  3. Step 3: Cross multiply
    69,856.09x = 104,783.11 × 17,265.58
  4. Step 4: Simplify right side
    69,856.09x = 1,809,141,168.35
  5. Step 5: Solve for x
    x = 1,809,141,168.35/69,856.09
  6. Step 6: Final answer
    x = 25,898.12

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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.