Home / 79,321.14-109,462.95-43,511.67

Finding the Fourth Proportional to 79,321.14, 109,462.95 and 43,511.67

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Solution

The fourth proportional to 79,321.14, 109,462.95 and 43,511.67 is: 60,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,321.14 : 109,462.95 = 43,511.67 : x
  2. Step 2: Convert to fraction form
    79,321.14/109,462.95 = 43,511.67/x
  3. Step 3: Cross multiply
    79,321.14x = 109,462.95 × 43,511.67
  4. Step 4: Simplify right side
    79,321.14x = 4,762,915,757.63
  5. Step 5: Solve for x
    x = 4,762,915,757.63/79,321.14
  6. Step 6: Final answer
    x = 60,045.98

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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.