Home / 75,464.80-104,135.33-43,635.76

Finding the Fourth Proportional to 75,464.80, 104,135.33 and 43,635.76

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Solution

The fourth proportional to 75,464.80, 104,135.33 and 43,635.76 is: 60,213.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,464.80 : 104,135.33 = 43,635.76 : x
  2. Step 2: Convert to fraction form
    75,464.80/104,135.33 = 43,635.76/x
  3. Step 3: Cross multiply
    75,464.80x = 104,135.33 × 43,635.76
  4. Step 4: Simplify right side
    75,464.80x = 4,544,023,528.55
  5. Step 5: Solve for x
    x = 4,544,023,528.55/75,464.80
  6. Step 6: Final answer
    x = 60,213.82

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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.