Home / 75,645.10-113,504.10-53,410.60

Finding the Fourth Proportional to 75,645.10, 113,504.10 and 53,410.60

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Solution

The fourth proportional to 75,645.10, 113,504.10 and 53,410.60 is: 80,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,645.10 : 113,504.10 = 53,410.60 : x
  2. Step 2: Convert to fraction form
    75,645.10/113,504.10 = 53,410.60/x
  3. Step 3: Cross multiply
    75,645.10x = 113,504.10 × 53,410.60
  4. Step 4: Simplify right side
    75,645.10x = 6,062,322,083.46
  5. Step 5: Solve for x
    x = 6,062,322,083.46/75,645.10
  6. Step 6: Final answer
    x = 80,141.64

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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.