Home / 106,559.21-159,838.77-31,679.03

Finding the Fourth Proportional to 106,559.21, 159,838.77 and 31,679.03

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Solution

The fourth proportional to 106,559.21, 159,838.77 and 31,679.03 is: 47,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,559.21 : 159,838.77 = 31,679.03 : x
  2. Step 2: Convert to fraction form
    106,559.21/159,838.77 = 31,679.03/x
  3. Step 3: Cross multiply
    106,559.21x = 159,838.77 × 31,679.03
  4. Step 4: Simplify right side
    106,559.21x = 5,063,537,189.99
  5. Step 5: Solve for x
    x = 5,063,537,189.99/106,559.21
  6. Step 6: Final answer
    x = 47,518.53

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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.