Home / 75,783.75-104,579.28-41,792.19

Finding the Fourth Proportional to 75,783.75, 104,579.28 and 41,792.19

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Solution

The fourth proportional to 75,783.75, 104,579.28 and 41,792.19 is: 57,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,783.75 : 104,579.28 = 41,792.19 : x
  2. Step 2: Convert to fraction form
    75,783.75/104,579.28 = 41,792.19/x
  3. Step 3: Cross multiply
    75,783.75x = 104,579.28 × 41,792.19
  4. Step 4: Simplify right side
    75,783.75x = 4,370,597,139.82
  5. Step 5: Solve for x
    x = 4,370,597,139.82/75,783.75
  6. Step 6: Final answer
    x = 57,671.96

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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.