Home / 79,331.73-118,885.71-43,809.03

Finding the Fourth Proportional to 79,331.73, 118,885.71 and 43,809.03

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Solution

The fourth proportional to 79,331.73, 118,885.71 and 43,809.03 is: 65,651.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,331.73 : 118,885.71 = 43,809.03 : x
  2. Step 2: Convert to fraction form
    79,331.73/118,885.71 = 43,809.03/x
  3. Step 3: Cross multiply
    79,331.73x = 118,885.71 × 43,809.03
  4. Step 4: Simplify right side
    79,331.73x = 5,208,267,635.96
  5. Step 5: Solve for x
    x = 5,208,267,635.96/79,331.73
  6. Step 6: Final answer
    x = 65,651.76

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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.