Home / 106,375.03-159,562.05-31,495.63

Finding the Fourth Proportional to 106,375.03, 159,562.05 and 31,495.63

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Solution

The fourth proportional to 106,375.03, 159,562.05 and 31,495.63 is: 47,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,375.03 : 159,562.05 = 31,495.63 : x
  2. Step 2: Convert to fraction form
    106,375.03/159,562.05 = 31,495.63/x
  3. Step 3: Cross multiply
    106,375.03x = 159,562.05 × 31,495.63
  4. Step 4: Simplify right side
    106,375.03x = 5,025,507,288.84
  5. Step 5: Solve for x
    x = 5,025,507,288.84/106,375.03
  6. Step 6: Final answer
    x = 47,243.30

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1.5x scale

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.