Home / 93,138.91-139,729.20-33,974.58

Finding the Fourth Proportional to 93,138.91, 139,729.20 and 33,974.58

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Solution

The fourth proportional to 93,138.91, 139,729.20 and 33,974.58 is: 50,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,138.91 : 139,729.20 = 33,974.58 : x
  2. Step 2: Convert to fraction form
    93,138.91/139,729.20 = 33,974.58/x
  3. Step 3: Cross multiply
    93,138.91x = 139,729.20 × 33,974.58
  4. Step 4: Simplify right side
    93,138.91x = 4,747,240,883.74
  5. Step 5: Solve for x
    x = 4,747,240,883.74/93,138.91
  6. Step 6: Final answer
    x = 50,969.47

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1.5x scale

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.