Home / 75,464.30-104,134.64-43,635.26

Finding the Fourth Proportional to 75,464.30, 104,134.64 and 43,635.26

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Solution

The fourth proportional to 75,464.30, 104,134.64 and 43,635.26 is: 60,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,464.30 : 104,134.64 = 43,635.26 : x
  2. Step 2: Convert to fraction form
    75,464.30/104,134.64 = 43,635.26/x
  3. Step 3: Cross multiply
    75,464.30x = 104,134.64 × 43,635.26
  4. Step 4: Simplify right side
    75,464.30x = 4,543,941,352.56
  5. Step 5: Solve for x
    x = 4,543,941,352.56/75,464.30
  6. Step 6: Final answer
    x = 60,213.13

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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.