Home / 75,780.56-104,583.13-41,792.15

Finding the Fourth Proportional to 75,780.56, 104,583.13 and 41,792.15

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Solution

The fourth proportional to 75,780.56, 104,583.13 and 41,792.15 is: 57,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,780.56 : 104,583.13 = 41,792.15 : x
  2. Step 2: Convert to fraction form
    75,780.56/104,583.13 = 41,792.15/x
  3. Step 3: Cross multiply
    75,780.56x = 104,583.13 × 41,792.15
  4. Step 4: Simplify right side
    75,780.56x = 4,370,753,856.43
  5. Step 5: Solve for x
    x = 4,370,753,856.43/75,780.56
  6. Step 6: Final answer
    x = 57,676.45

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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.