Home / 103,208.12-154,792.68-36,645.56

Finding the Fourth Proportional to 103,208.12, 154,792.68 and 36,645.56

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Solution

The fourth proportional to 103,208.12, 154,792.68 and 36,645.56 is: 54,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,208.12 : 154,792.68 = 36,645.56 : x
  2. Step 2: Convert to fraction form
    103,208.12/154,792.68 = 36,645.56/x
  3. Step 3: Cross multiply
    103,208.12x = 154,792.68 × 36,645.56
  4. Step 4: Simplify right side
    103,208.12x = 5,672,464,442.50
  5. Step 5: Solve for x
    x = 5,672,464,442.50/103,208.12
  6. Step 6: Final answer
    x = 54,961.42

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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.