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Finding the Fourth Proportional to 93,137.38, 139,621.84 and 33,959.22

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Solution

The fourth proportional to 93,137.38, 139,621.84 and 33,959.22 is: 50,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,137.38 : 139,621.84 = 33,959.22 : x
  2. Step 2: Convert to fraction form
    93,137.38/139,621.84 = 33,959.22/x
  3. Step 3: Cross multiply
    93,137.38x = 139,621.84 × 33,959.22
  4. Step 4: Simplify right side
    93,137.38x = 4,741,448,781.36
  5. Step 5: Solve for x
    x = 4,741,448,781.36/93,137.38
  6. Step 6: Final answer
    x = 50,908.12

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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.