Home / 103,983.89-155,986.77-33,868.67

Finding the Fourth Proportional to 103,983.89, 155,986.77 and 33,868.67

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Solution

The fourth proportional to 103,983.89, 155,986.77 and 33,868.67 is: 50,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,983.89 : 155,986.77 = 33,868.67 : x
  2. Step 2: Convert to fraction form
    103,983.89/155,986.77 = 33,868.67/x
  3. Step 3: Cross multiply
    103,983.89x = 155,986.77 × 33,868.67
  4. Step 4: Simplify right side
    103,983.89x = 5,283,064,437.50
  5. Step 5: Solve for x
    x = 5,283,064,437.50/103,983.89
  6. Step 6: Final answer
    x = 50,806.57

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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.