Home / 93,112.57-139,608.75-39,839.31

Finding the Fourth Proportional to 93,112.57, 139,608.75 and 39,839.31

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Solution

The fourth proportional to 93,112.57, 139,608.75 and 39,839.31 is: 59,733.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,112.57 : 139,608.75 = 39,839.31 : x
  2. Step 2: Convert to fraction form
    93,112.57/139,608.75 = 39,839.31/x
  3. Step 3: Cross multiply
    93,112.57x = 139,608.75 × 39,839.31
  4. Step 4: Simplify right side
    93,112.57x = 5,561,916,269.96
  5. Step 5: Solve for x
    x = 5,561,916,269.96/93,112.57
  6. Step 6: Final answer
    x = 59,733.25

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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.