Home / 93,043.10-139,635.23-68,147.75

Finding the Fourth Proportional to 93,043.10, 139,635.23 and 68,147.75

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Solution

The fourth proportional to 93,043.10, 139,635.23 and 68,147.75 is: 102,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,043.10 : 139,635.23 = 68,147.75 : x
  2. Step 2: Convert to fraction form
    93,043.10/139,635.23 = 68,147.75/x
  3. Step 3: Cross multiply
    93,043.10x = 139,635.23 × 68,147.75
  4. Step 4: Simplify right side
    93,043.10x = 9,515,826,753.58
  5. Step 5: Solve for x
    x = 9,515,826,753.58/93,043.10
  6. Step 6: Final answer
    x = 102,273.32

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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.