Home / 76,705.27-115,077.09-60,969.67

Finding the Fourth Proportional to 76,705.27, 115,077.09 and 60,969.67

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Solution

The fourth proportional to 76,705.27, 115,077.09 and 60,969.67 is: 91,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,705.27 : 115,077.09 = 60,969.67 : x
  2. Step 2: Convert to fraction form
    76,705.27/115,077.09 = 60,969.67/x
  3. Step 3: Cross multiply
    76,705.27x = 115,077.09 × 60,969.67
  4. Step 4: Simplify right side
    76,705.27x = 7,016,211,897.01
  5. Step 5: Solve for x
    x = 7,016,211,897.01/76,705.27
  6. Step 6: Final answer
    x = 91,469.75

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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.