Home / 106,168.51-159,247.36-39,603.39

Finding the Fourth Proportional to 106,168.51, 159,247.36 and 39,603.39

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Solution

The fourth proportional to 106,168.51, 159,247.36 and 39,603.39 is: 59,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,168.51 : 159,247.36 = 39,603.39 : x
  2. Step 2: Convert to fraction form
    106,168.51/159,247.36 = 39,603.39/x
  3. Step 3: Cross multiply
    106,168.51x = 159,247.36 × 39,603.39
  4. Step 4: Simplify right side
    106,168.51x = 6,306,735,304.55
  5. Step 5: Solve for x
    x = 6,306,735,304.55/106,168.51
  6. Step 6: Final answer
    x = 59,403.07

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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.