Home / 79,363.44-119,043.83-31,977.38

Finding the Fourth Proportional to 79,363.44, 119,043.83 and 31,977.38

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Solution

The fourth proportional to 79,363.44, 119,043.83 and 31,977.38 is: 47,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,363.44 : 119,043.83 = 31,977.38 : x
  2. Step 2: Convert to fraction form
    79,363.44/119,043.83 = 31,977.38/x
  3. Step 3: Cross multiply
    79,363.44x = 119,043.83 × 31,977.38
  4. Step 4: Simplify right side
    79,363.44x = 3,806,710,166.12
  5. Step 5: Solve for x
    x = 3,806,710,166.12/79,363.44
  6. Step 6: Final answer
    x = 47,965.54

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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.