Home / 75,660.58-104,388.06-42,949.54

Finding the Fourth Proportional to 75,660.58, 104,388.06 and 42,949.54

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Solution

The fourth proportional to 75,660.58, 104,388.06 and 42,949.54 is: 59,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,660.58 : 104,388.06 = 42,949.54 : x
  2. Step 2: Convert to fraction form
    75,660.58/104,388.06 = 42,949.54/x
  3. Step 3: Cross multiply
    75,660.58x = 104,388.06 × 42,949.54
  4. Step 4: Simplify right side
    75,660.58x = 4,483,419,158.49
  5. Step 5: Solve for x
    x = 4,483,419,158.49/75,660.58
  6. Step 6: Final answer
    x = 59,257.00

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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.