Home / 93,229.28-139,732.88-53,704.56

Finding the Fourth Proportional to 93,229.28, 139,732.88 and 53,704.56

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Solution

The fourth proportional to 93,229.28, 139,732.88 and 53,704.56 is: 80,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,229.28 : 139,732.88 = 53,704.56 : x
  2. Step 2: Convert to fraction form
    93,229.28/139,732.88 = 53,704.56/x
  3. Step 3: Cross multiply
    93,229.28x = 139,732.88 × 53,704.56
  4. Step 4: Simplify right side
    93,229.28x = 7,504,292,837.93
  5. Step 5: Solve for x
    x = 7,504,292,837.93/93,229.28
  6. Step 6: Final answer
    x = 80,492.88

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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.