Home / 75,638.98-104,380.38-41,646.72

Finding the Fourth Proportional to 75,638.98, 104,380.38 and 41,646.72

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Solution

The fourth proportional to 75,638.98, 104,380.38 and 41,646.72 is: 57,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638.98 : 104,380.38 = 41,646.72 : x
  2. Step 2: Convert to fraction form
    75,638.98/104,380.38 = 41,646.72/x
  3. Step 3: Cross multiply
    75,638.98x = 104,380.38 × 41,646.72
  4. Step 4: Simplify right side
    75,638.98x = 4,347,100,255.86
  5. Step 5: Solve for x
    x = 4,347,100,255.86/75,638.98
  6. Step 6: Final answer
    x = 57,471.70

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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.