Home / 106,583.45-159,781.09-43,456.37

Finding the Fourth Proportional to 106,583.45, 159,781.09 and 43,456.37

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Solution

The fourth proportional to 106,583.45, 159,781.09 and 43,456.37 is: 65,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,583.45 : 159,781.09 = 43,456.37 : x
  2. Step 2: Convert to fraction form
    106,583.45/159,781.09 = 43,456.37/x
  3. Step 3: Cross multiply
    106,583.45x = 159,781.09 × 43,456.37
  4. Step 4: Simplify right side
    106,583.45x = 6,943,506,688.13
  5. Step 5: Solve for x
    x = 6,943,506,688.13/106,583.45
  6. Step 6: Final answer
    x = 65,146.20

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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.