Home / 75,427.11-104,077.85-43,589.87

Finding the Fourth Proportional to 75,427.11, 104,077.85 and 43,589.87

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Solution

The fourth proportional to 75,427.11, 104,077.85 and 43,589.87 is: 60,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,427.11 : 104,077.85 = 43,589.87 : x
  2. Step 2: Convert to fraction form
    75,427.11/104,077.85 = 43,589.87/x
  3. Step 3: Cross multiply
    75,427.11x = 104,077.85 × 43,589.87
  4. Step 4: Simplify right side
    75,427.11x = 4,536,739,539.96
  5. Step 5: Solve for x
    x = 4,536,739,539.96/75,427.11
  6. Step 6: Final answer
    x = 60,147.33

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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.