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Finding the Fourth Proportional to 73,605.75, 110,408.64 and 23,689.74

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Solution

The fourth proportional to 73,605.75, 110,408.64 and 23,689.74 is: 35,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,605.75 : 110,408.64 = 23,689.74 : x
  2. Step 2: Convert to fraction form
    73,605.75/110,408.64 = 23,689.74/x
  3. Step 3: Cross multiply
    73,605.75x = 110,408.64 × 23,689.74
  4. Step 4: Simplify right side
    73,605.75x = 2,615,551,975.35
  5. Step 5: Solve for x
    x = 2,615,551,975.35/73,605.75
  6. Step 6: Final answer
    x = 35,534.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.