Home / 69,809.37-104,651.76-25,405.08

Finding the Fourth Proportional to 69,809.37, 104,651.76 and 25,405.08

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Solution

The fourth proportional to 69,809.37, 104,651.76 and 25,405.08 is: 38,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,809.37 : 104,651.76 = 25,405.08 : x
  2. Step 2: Convert to fraction form
    69,809.37/104,651.76 = 25,405.08/x
  3. Step 3: Cross multiply
    69,809.37x = 104,651.76 × 25,405.08
  4. Step 4: Simplify right side
    69,809.37x = 2,658,686,334.94
  5. Step 5: Solve for x
    x = 2,658,686,334.94/69,809.37
  6. Step 6: Final answer
    x = 38,084.95

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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.