Home / 100,811.90-151,211.73-44,635.64

Finding the Fourth Proportional to 100,811.90, 151,211.73 and 44,635.64

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Solution

The fourth proportional to 100,811.90, 151,211.73 and 44,635.64 is: 66,950.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,811.90 : 151,211.73 = 44,635.64 : x
  2. Step 2: Convert to fraction form
    100,811.90/151,211.73 = 44,635.64/x
  3. Step 3: Cross multiply
    100,811.90x = 151,211.73 × 44,635.64
  4. Step 4: Simplify right side
    100,811.90x = 6,749,432,344.06
  5. Step 5: Solve for x
    x = 6,749,432,344.06/100,811.90
  6. Step 6: Final answer
    x = 66,950.75

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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.