Home / 77,245.75-115,885.16-23,936.55

Finding the Fourth Proportional to 77,245.75, 115,885.16 and 23,936.55

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Solution

The fourth proportional to 77,245.75, 115,885.16 and 23,936.55 is: 35,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,245.75 : 115,885.16 = 23,936.55 : x
  2. Step 2: Convert to fraction form
    77,245.75/115,885.16 = 23,936.55/x
  3. Step 3: Cross multiply
    77,245.75x = 115,885.16 × 23,936.55
  4. Step 4: Simplify right side
    77,245.75x = 2,773,890,462.11
  5. Step 5: Solve for x
    x = 2,773,890,462.11/77,245.75
  6. Step 6: Final answer
    x = 35,909.94

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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.