Home / 104,992.92-157,389.62-66,935.37

Finding the Fourth Proportional to 104,992.92, 157,389.62 and 66,935.37

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Solution

The fourth proportional to 104,992.92, 157,389.62 and 66,935.37 is: 100,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,992.92 : 157,389.62 = 66,935.37 : x
  2. Step 2: Convert to fraction form
    104,992.92/157,389.62 = 66,935.37/x
  3. Step 3: Cross multiply
    104,992.92x = 157,389.62 × 66,935.37
  4. Step 4: Simplify right side
    104,992.92x = 10,534,932,114.18
  5. Step 5: Solve for x
    x = 10,534,932,114.18/104,992.92
  6. Step 6: Final answer
    x = 100,339.45

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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.