Home / 76,845.64-115,302.36-32,503

Finding the Fourth Proportional to 76,845.64, 115,302.36 and 32,503

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Solution

The fourth proportional to 76,845.64, 115,302.36 and 32,503 is: 48,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,845.64 : 115,302.36 = 32,503 : x
  2. Step 2: Convert to fraction form
    76,845.64/115,302.36 = 32,503/x
  3. Step 3: Cross multiply
    76,845.64x = 115,302.36 × 32,503
  4. Step 4: Simplify right side
    76,845.64x = 3,747,672,607.08
  5. Step 5: Solve for x
    x = 3,747,672,607.08/76,845.64
  6. Step 6: Final answer
    x = 48,768.84

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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.