Home / 106,100.67-159,161.39-38,651.03

Finding the Fourth Proportional to 106,100.67, 159,161.39 and 38,651.03

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Solution

The fourth proportional to 106,100.67, 159,161.39 and 38,651.03 is: 57,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,100.67 : 159,161.39 = 38,651.03 : x
  2. Step 2: Convert to fraction form
    106,100.67/159,161.39 = 38,651.03/x
  3. Step 3: Cross multiply
    106,100.67x = 159,161.39 × 38,651.03
  4. Step 4: Simplify right side
    106,100.67x = 6,151,750,670.67
  5. Step 5: Solve for x
    x = 6,151,750,670.67/106,100.67
  6. Step 6: Final answer
    x = 57,980.32

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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.