Home / 79,351.23-109,504.53-43,541.67

Finding the Fourth Proportional to 79,351.23, 109,504.53 and 43,541.67

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Solution

The fourth proportional to 79,351.23, 109,504.53 and 43,541.67 is: 60,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,351.23 : 109,504.53 = 43,541.67 : x
  2. Step 2: Convert to fraction form
    79,351.23/109,504.53 = 43,541.67/x
  3. Step 3: Cross multiply
    79,351.23x = 109,504.53 × 43,541.67
  4. Step 4: Simplify right side
    79,351.23x = 4,768,010,108.77
  5. Step 5: Solve for x
    x = 4,768,010,108.77/79,351.23
  6. Step 6: Final answer
    x = 60,087.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.