Home / 106,557.12-159,744.96-65,033.28

Finding the Fourth Proportional to 106,557.12, 159,744.96 and 65,033.28

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Solution

The fourth proportional to 106,557.12, 159,744.96 and 65,033.28 is: 97,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,557.12 : 159,744.96 = 65,033.28 : x
  2. Step 2: Convert to fraction form
    106,557.12/159,744.96 = 65,033.28/x
  3. Step 3: Cross multiply
    106,557.12x = 159,744.96 × 65,033.28
  4. Step 4: Simplify right side
    106,557.12x = 10,388,738,712.27
  5. Step 5: Solve for x
    x = 10,388,738,712.27/106,557.12
  6. Step 6: Final answer
    x = 97,494.55

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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.