Home / 79,715.23-110,007.75-43,905.37

Finding the Fourth Proportional to 79,715.23, 110,007.75 and 43,905.37

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Solution

The fourth proportional to 79,715.23, 110,007.75 and 43,905.37 is: 60,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,715.23 : 110,007.75 = 43,905.37 : x
  2. Step 2: Convert to fraction form
    79,715.23/110,007.75 = 43,905.37/x
  3. Step 3: Cross multiply
    79,715.23x = 110,007.75 × 43,905.37
  4. Step 4: Simplify right side
    79,715.23x = 4,829,930,966.62
  5. Step 5: Solve for x
    x = 4,829,930,966.62/79,715.23
  6. Step 6: Final answer
    x = 60,589.81

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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.