Home / 80,636.42-120,915.45-24,466.37

Finding the Fourth Proportional to 80,636.42, 120,915.45 and 24,466.37

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Solution

The fourth proportional to 80,636.42, 120,915.45 and 24,466.37 is: 36,687.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,636.42 : 120,915.45 = 24,466.37 : x
  2. Step 2: Convert to fraction form
    80,636.42/120,915.45 = 24,466.37/x
  3. Step 3: Cross multiply
    80,636.42x = 120,915.45 × 24,466.37
  4. Step 4: Simplify right side
    80,636.42x = 2,958,361,533.84
  5. Step 5: Solve for x
    x = 2,958,361,533.84/80,636.42
  6. Step 6: Final answer
    x = 36,687.66

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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.