Home / 106,315.37-159,571.88-53,762.57

Finding the Fourth Proportional to 106,315.37, 159,571.88 and 53,762.57

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Solution

The fourth proportional to 106,315.37, 159,571.88 and 53,762.57 is: 80,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,315.37 : 159,571.88 = 53,762.57 : x
  2. Step 2: Convert to fraction form
    106,315.37/159,571.88 = 53,762.57/x
  3. Step 3: Cross multiply
    106,315.37x = 159,571.88 × 53,762.57
  4. Step 4: Simplify right side
    106,315.37x = 8,578,994,099.72
  5. Step 5: Solve for x
    x = 8,578,994,099.72/106,315.37
  6. Step 6: Final answer
    x = 80,693.83

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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.