Home / 75,782.28-104,577.14-41,792.20

Finding the Fourth Proportional to 75,782.28, 104,577.14 and 41,792.20

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Solution

The fourth proportional to 75,782.28, 104,577.14 and 41,792.20 is: 57,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,782.28 : 104,577.14 = 41,792.20 : x
  2. Step 2: Convert to fraction form
    75,782.28/104,577.14 = 41,792.20/x
  3. Step 3: Cross multiply
    75,782.28x = 104,577.14 × 41,792.20
  4. Step 4: Simplify right side
    75,782.28x = 4,370,508,750.31
  5. Step 5: Solve for x
    x = 4,370,508,750.31/75,782.28
  6. Step 6: Final answer
    x = 57,671.91

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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.