Home / 80,975.74-121,485.68-24,814.61

Finding the Fourth Proportional to 80,975.74, 121,485.68 and 24,814.61

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Solution

The fourth proportional to 80,975.74, 121,485.68 and 24,814.61 is: 37,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,975.74 : 121,485.68 = 24,814.61 : x
  2. Step 2: Convert to fraction form
    80,975.74/121,485.68 = 24,814.61/x
  3. Step 3: Cross multiply
    80,975.74x = 121,485.68 × 24,814.61
  4. Step 4: Simplify right side
    80,975.74x = 3,014,619,413.41
  5. Step 5: Solve for x
    x = 3,014,619,413.41/80,975.74
  6. Step 6: Final answer
    x = 37,228.67

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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.