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Finding the Fourth Proportional to 75,173.44, 103,738.08 and 41,638.72

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Solution

The fourth proportional to 75,173.44, 103,738.08 and 41,638.72 is: 57,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,173.44 : 103,738.08 = 41,638.72 : x
  2. Step 2: Convert to fraction form
    75,173.44/103,738.08 = 41,638.72/x
  3. Step 3: Cross multiply
    75,173.44x = 103,738.08 × 41,638.72
  4. Step 4: Simplify right side
    75,173.44x = 4,319,520,866.46
  5. Step 5: Solve for x
    x = 4,319,520,866.46/75,173.44
  6. Step 6: Final answer
    x = 57,460.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.