Home / 76,045.96-114,059.20-31,664.44

Finding the Fourth Proportional to 76,045.96, 114,059.20 and 31,664.44

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Solution

The fourth proportional to 76,045.96, 114,059.20 and 31,664.44 is: 47,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,045.96 : 114,059.20 = 31,664.44 : x
  2. Step 2: Convert to fraction form
    76,045.96/114,059.20 = 31,664.44/x
  3. Step 3: Cross multiply
    76,045.96x = 114,059.20 × 31,664.44
  4. Step 4: Simplify right side
    76,045.96x = 3,611,620,694.85
  5. Step 5: Solve for x
    x = 3,611,620,694.85/76,045.96
  6. Step 6: Final answer
    x = 47,492.60

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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.