Home / 75,921.13-104,765.86-41,929.30

Finding the Fourth Proportional to 75,921.13, 104,765.86 and 41,929.30

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Solution

The fourth proportional to 75,921.13, 104,765.86 and 41,929.30 is: 57,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,921.13 : 104,765.86 = 41,929.30 : x
  2. Step 2: Convert to fraction form
    75,921.13/104,765.86 = 41,929.30/x
  3. Step 3: Cross multiply
    75,921.13x = 104,765.86 × 41,929.30
  4. Step 4: Simplify right side
    75,921.13x = 4,392,759,173.70
  5. Step 5: Solve for x
    x = 4,392,759,173.70/75,921.13
  6. Step 6: Final answer
    x = 57,859.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.