Home / 45,099.37-67,653.04-11,819.31

Finding the Fourth Proportional to 45,099.37, 67,653.04 and 11,819.31

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Solution

The fourth proportional to 45,099.37, 67,653.04 and 11,819.31 is: 17,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,099.37 : 67,653.04 = 11,819.31 : x
  2. Step 2: Convert to fraction form
    45,099.37/67,653.04 = 11,819.31/x
  3. Step 3: Cross multiply
    45,099.37x = 67,653.04 × 11,819.31
  4. Step 4: Simplify right side
    45,099.37x = 799,611,913.94
  5. Step 5: Solve for x
    x = 799,611,913.94/45,099.37
  6. Step 6: Final answer
    x = 17,730.00

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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.