Home / 106,314.03-159,490.62-43,989.39

Finding the Fourth Proportional to 106,314.03, 159,490.62 and 43,989.39

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Solution

The fourth proportional to 106,314.03, 159,490.62 and 43,989.39 is: 65,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,314.03 : 159,490.62 = 43,989.39 : x
  2. Step 2: Convert to fraction form
    106,314.03/159,490.62 = 43,989.39/x
  3. Step 3: Cross multiply
    106,314.03x = 159,490.62 × 43,989.39
  4. Step 4: Simplify right side
    106,314.03x = 7,015,895,084.52
  5. Step 5: Solve for x
    x = 7,015,895,084.52/106,314.03
  6. Step 6: Final answer
    x = 65,992.18

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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.