Home / 106,119.95-159,125.14-31,230.37

Finding the Fourth Proportional to 106,119.95, 159,125.14 and 31,230.37

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Solution

The fourth proportional to 106,119.95, 159,125.14 and 31,230.37 is: 46,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,119.95 : 159,125.14 = 31,230.37 : x
  2. Step 2: Convert to fraction form
    106,119.95/159,125.14 = 31,230.37/x
  3. Step 3: Cross multiply
    106,119.95x = 159,125.14 × 31,230.37
  4. Step 4: Simplify right side
    106,119.95x = 4,969,537,236.45
  5. Step 5: Solve for x
    x = 4,969,537,236.45/106,119.95
  6. Step 6: Final answer
    x = 46,829.44

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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.