Home / 106,066.26-159,099.33-31,187.03

Finding the Fourth Proportional to 106,066.26, 159,099.33 and 31,187.03

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Solution

The fourth proportional to 106,066.26, 159,099.33 and 31,187.03 is: 46,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,066.26 : 159,099.33 = 31,187.03 : x
  2. Step 2: Convert to fraction form
    106,066.26/159,099.33 = 31,187.03/x
  3. Step 3: Cross multiply
    106,066.26x = 159,099.33 × 31,187.03
  4. Step 4: Simplify right side
    106,066.26x = 4,961,834,782.19
  5. Step 5: Solve for x
    x = 4,961,834,782.19/106,066.26
  6. Step 6: Final answer
    x = 46,780.52

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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.