Home / 93,049.56-139,632.66-48,711.78

Finding the Fourth Proportional to 93,049.56, 139,632.66 and 48,711.78

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Solution

The fourth proportional to 93,049.56, 139,632.66 and 48,711.78 is: 73,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,049.56 : 139,632.66 = 48,711.78 : x
  2. Step 2: Convert to fraction form
    93,049.56/139,632.66 = 48,711.78/x
  3. Step 3: Cross multiply
    93,049.56x = 139,632.66 × 48,711.78
  4. Step 4: Simplify right side
    93,049.56x = 6,801,755,414.73
  5. Step 5: Solve for x
    x = 6,801,755,414.73/93,049.56
  6. Step 6: Final answer
    x = 73,098.20

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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.