Home / 77,408.55-116,115.39-27,487.98

Finding the Fourth Proportional to 77,408.55, 116,115.39 and 27,487.98

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Solution

The fourth proportional to 77,408.55, 116,115.39 and 27,487.98 is: 41,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,408.55 : 116,115.39 = 27,487.98 : x
  2. Step 2: Convert to fraction form
    77,408.55/116,115.39 = 27,487.98/x
  3. Step 3: Cross multiply
    77,408.55x = 116,115.39 × 27,487.98
  4. Step 4: Simplify right side
    77,408.55x = 3,191,777,518.01
  5. Step 5: Solve for x
    x = 3,191,777,518.01/77,408.55
  6. Step 6: Final answer
    x = 41,232.88

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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.