Home / 93,940.15-140,971.31-40,684.13

Finding the Fourth Proportional to 93,940.15, 140,971.31 and 40,684.13

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Solution

The fourth proportional to 93,940.15, 140,971.31 and 40,684.13 is: 61,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,940.15 : 140,971.31 = 40,684.13 : x
  2. Step 2: Convert to fraction form
    93,940.15/140,971.31 = 40,684.13/x
  3. Step 3: Cross multiply
    93,940.15x = 140,971.31 × 40,684.13
  4. Step 4: Simplify right side
    93,940.15x = 5,735,295,102.31
  5. Step 5: Solve for x
    x = 5,735,295,102.31/93,940.15
  6. Step 6: Final answer
    x = 61,052.65

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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.