Home / 69,988.98-104,920.38-25,584.60

Finding the Fourth Proportional to 69,988.98, 104,920.38 and 25,584.60

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Solution

The fourth proportional to 69,988.98, 104,920.38 and 25,584.60 is: 38,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,988.98 : 104,920.38 = 25,584.60 : x
  2. Step 2: Convert to fraction form
    69,988.98/104,920.38 = 25,584.60/x
  3. Step 3: Cross multiply
    69,988.98x = 104,920.38 × 25,584.60
  4. Step 4: Simplify right side
    69,988.98x = 2,684,345,954.15
  5. Step 5: Solve for x
    x = 2,684,345,954.15/69,988.98
  6. Step 6: Final answer
    x = 38,353.84

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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.