Home / 75,629.70-113,455.35-25,712.10

Finding the Fourth Proportional to 75,629.70, 113,455.35 and 25,712.10

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Solution

The fourth proportional to 75,629.70, 113,455.35 and 25,712.10 is: 38,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629.70 : 113,455.35 = 25,712.10 : x
  2. Step 2: Convert to fraction form
    75,629.70/113,455.35 = 25,712.10/x
  3. Step 3: Cross multiply
    75,629.70x = 113,455.35 × 25,712.10
  4. Step 4: Simplify right side
    75,629.70x = 2,917,175,304.74
  5. Step 5: Solve for x
    x = 2,917,175,304.74/75,629.70
  6. Step 6: Final answer
    x = 38,571.82

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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.