Home / 106,467.81-159,696.24-31,588.57

Finding the Fourth Proportional to 106,467.81, 159,696.24 and 31,588.57

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Solution

The fourth proportional to 106,467.81, 159,696.24 and 31,588.57 is: 47,381.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,467.81 : 159,696.24 = 31,588.57 : x
  2. Step 2: Convert to fraction form
    106,467.81/159,696.24 = 31,588.57/x
  3. Step 3: Cross multiply
    106,467.81x = 159,696.24 × 31,588.57
  4. Step 4: Simplify right side
    106,467.81x = 5,044,575,855.98
  5. Step 5: Solve for x
    x = 5,044,575,855.98/106,467.81
  6. Step 6: Final answer
    x = 47,381.23

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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.