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Finding the Fourth Proportional to 93,135.57, 139,730.57 and 29,954.27

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Solution

The fourth proportional to 93,135.57, 139,730.57 and 29,954.27 is: 44,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,135.57 : 139,730.57 = 29,954.27 : x
  2. Step 2: Convert to fraction form
    93,135.57/139,730.57 = 29,954.27/x
  3. Step 3: Cross multiply
    93,135.57x = 139,730.57 × 29,954.27
  4. Step 4: Simplify right side
    93,135.57x = 4,185,527,221.03
  5. Step 5: Solve for x
    x = 4,185,527,221.03/93,135.57
  6. Step 6: Final answer
    x = 44,940.16

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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.