Home / 106,090.64-159,137.79-35,971.76

Finding the Fourth Proportional to 106,090.64, 159,137.79 and 35,971.76

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Solution

The fourth proportional to 106,090.64, 159,137.79 and 35,971.76 is: 53,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,090.64 : 159,137.79 = 35,971.76 : x
  2. Step 2: Convert to fraction form
    106,090.64/159,137.79 = 35,971.76/x
  3. Step 3: Cross multiply
    106,090.64x = 159,137.79 × 35,971.76
  4. Step 4: Simplify right side
    106,090.64x = 5,724,466,388.81
  5. Step 5: Solve for x
    x = 5,724,466,388.81/106,090.64
  6. Step 6: Final answer
    x = 53,958.26

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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.