Home / 111,759.03-167,643.90-36,885.87

Finding the Fourth Proportional to 111,759.03, 167,643.90 and 36,885.87

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Solution

The fourth proportional to 111,759.03, 167,643.90 and 36,885.87 is: 55,330.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,759.03 : 167,643.90 = 36,885.87 : x
  2. Step 2: Convert to fraction form
    111,759.03/167,643.90 = 36,885.87/x
  3. Step 3: Cross multiply
    111,759.03x = 167,643.90 × 36,885.87
  4. Step 4: Simplify right side
    111,759.03x = 6,183,691,101.69
  5. Step 5: Solve for x
    x = 6,183,691,101.69/111,759.03
  6. Step 6: Final answer
    x = 55,330.57

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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.