Home / 93,198.12-139,687.68-43,172.52

Finding the Fourth Proportional to 93,198.12, 139,687.68 and 43,172.52

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Solution

The fourth proportional to 93,198.12, 139,687.68 and 43,172.52 is: 64,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,198.12 : 139,687.68 = 43,172.52 : x
  2. Step 2: Convert to fraction form
    93,198.12/139,687.68 = 43,172.52/x
  3. Step 3: Cross multiply
    93,198.12x = 139,687.68 × 43,172.52
  4. Step 4: Simplify right side
    93,198.12x = 6,030,669,158.55
  5. Step 5: Solve for x
    x = 6,030,669,158.55/93,198.12
  6. Step 6: Final answer
    x = 64,708.06

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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.