Home / 93,039.57-139,457.97-45,687.24

Finding the Fourth Proportional to 93,039.57, 139,457.97 and 45,687.24

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Solution

The fourth proportional to 93,039.57, 139,457.97 and 45,687.24 is: 68,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,039.57 : 139,457.97 = 45,687.24 : x
  2. Step 2: Convert to fraction form
    93,039.57/139,457.97 = 45,687.24/x
  3. Step 3: Cross multiply
    93,039.57x = 139,457.97 × 45,687.24
  4. Step 4: Simplify right side
    93,039.57x = 6,371,449,745.30
  5. Step 5: Solve for x
    x = 6,371,449,745.30/93,039.57
  6. Step 6: Final answer
    x = 68,481.07

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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.