Home / 106,236.99-159,318.35-31,337.25

Finding the Fourth Proportional to 106,236.99, 159,318.35 and 31,337.25

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Solution

The fourth proportional to 106,236.99, 159,318.35 and 31,337.25 is: 46,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,236.99 : 159,318.35 = 31,337.25 : x
  2. Step 2: Convert to fraction form
    106,236.99/159,318.35 = 31,337.25/x
  3. Step 3: Cross multiply
    106,236.99x = 159,318.35 × 31,337.25
  4. Step 4: Simplify right side
    106,236.99x = 4,992,599,440.18
  5. Step 5: Solve for x
    x = 4,992,599,440.18/106,236.99
  6. Step 6: Final answer
    x = 46,994.93

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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.