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Finding the Fourth Proportional to 79,313.50, 118,964.68 and 37,202.82

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Solution

The fourth proportional to 79,313.50, 118,964.68 and 37,202.82 is: 55,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,313.50 : 118,964.68 = 37,202.82 : x
  2. Step 2: Convert to fraction form
    79,313.50/118,964.68 = 37,202.82/x
  3. Step 3: Cross multiply
    79,313.50x = 118,964.68 × 37,202.82
  4. Step 4: Simplify right side
    79,313.50x = 4,425,821,576.40
  5. Step 5: Solve for x
    x = 4,425,821,576.40/79,313.50
  6. Step 6: Final answer
    x = 55,801.62

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1.5x scale

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.