Home / 75,828.15-104,643.21-41,836.64

Finding the Fourth Proportional to 75,828.15, 104,643.21 and 41,836.64

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Solution

The fourth proportional to 75,828.15, 104,643.21 and 41,836.64 is: 57,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,828.15 : 104,643.21 = 41,836.64 : x
  2. Step 2: Convert to fraction form
    75,828.15/104,643.21 = 41,836.64/x
  3. Step 3: Cross multiply
    75,828.15x = 104,643.21 × 41,836.64
  4. Step 4: Simplify right side
    75,828.15x = 4,377,919,782.00
  5. Step 5: Solve for x
    x = 4,377,919,782.00/75,828.15
  6. Step 6: Final answer
    x = 57,734.76

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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.