Home / 106,478.78-159,708.44-36,353.84

Finding the Fourth Proportional to 106,478.78, 159,708.44 and 36,353.84

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Solution

The fourth proportional to 106,478.78, 159,708.44 and 36,353.84 is: 54,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,478.78 : 159,708.44 = 36,353.84 : x
  2. Step 2: Convert to fraction form
    106,478.78/159,708.44 = 36,353.84/x
  3. Step 3: Cross multiply
    106,478.78x = 159,708.44 × 36,353.84
  4. Step 4: Simplify right side
    106,478.78x = 5,806,015,074.41
  5. Step 5: Solve for x
    x = 5,806,015,074.41/106,478.78
  6. Step 6: Final answer
    x = 54,527.44

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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.