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Finding the Fourth Proportional to 75,626.70, 104,360.72 and 41,633.88

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Solution

The fourth proportional to 75,626.70, 104,360.72 and 41,633.88 is: 57,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,626.70 : 104,360.72 = 41,633.88 : x
  2. Step 2: Convert to fraction form
    75,626.70/104,360.72 = 41,633.88/x
  3. Step 3: Cross multiply
    75,626.70x = 104,360.72 × 41,633.88
  4. Step 4: Simplify right side
    75,626.70x = 4,344,941,485.02
  5. Step 5: Solve for x
    x = 4,344,941,485.02/75,626.70
  6. Step 6: Final answer
    x = 57,452.48

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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.