Home / 69,774.36-104,661.62-25,401.48

Finding the Fourth Proportional to 69,774.36, 104,661.62 and 25,401.48

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Solution

The fourth proportional to 69,774.36, 104,661.62 and 25,401.48 is: 38,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,774.36 : 104,661.62 = 25,401.48 : x
  2. Step 2: Convert to fraction form
    69,774.36/104,661.62 = 25,401.48/x
  3. Step 3: Cross multiply
    69,774.36x = 104,661.62 × 25,401.48
  4. Step 4: Simplify right side
    69,774.36x = 2,658,559,920.19
  5. Step 5: Solve for x
    x = 2,658,559,920.19/69,774.36
  6. Step 6: Final answer
    x = 38,102.25

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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.