Home / 106,237.77-159,319.53-31,338.04

Finding the Fourth Proportional to 106,237.77, 159,319.53 and 31,338.04

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Solution

The fourth proportional to 106,237.77, 159,319.53 and 31,338.04 is: 46,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,237.77 : 159,319.53 = 31,338.04 : x
  2. Step 2: Convert to fraction form
    106,237.77/159,319.53 = 31,338.04/x
  3. Step 3: Cross multiply
    106,237.77x = 159,319.53 × 31,338.04
  4. Step 4: Simplify right side
    106,237.77x = 4,992,760,850.63
  5. Step 5: Solve for x
    x = 4,992,760,850.63/106,237.77
  6. Step 6: Final answer
    x = 46,996.10

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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.