Home / 106,309.21-159,502.53-49,409.38

Finding the Fourth Proportional to 106,309.21, 159,502.53 and 49,409.38

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Solution

The fourth proportional to 106,309.21, 159,502.53 and 49,409.38 is: 74,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,309.21 : 159,502.53 = 49,409.38 : x
  2. Step 2: Convert to fraction form
    106,309.21/159,502.53 = 49,409.38/x
  3. Step 3: Cross multiply
    106,309.21x = 159,502.53 × 49,409.38
  4. Step 4: Simplify right side
    106,309.21x = 7,880,921,115.73
  5. Step 5: Solve for x
    x = 7,880,921,115.73/106,309.21
  6. Step 6: Final answer
    x = 74,132.06

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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.