Home / 79,243.14-119,012.76-69,758.82

Finding the Fourth Proportional to 79,243.14, 119,012.76 and 69,758.82

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Solution

The fourth proportional to 79,243.14, 119,012.76 and 69,758.82 is: 104,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,243.14 : 119,012.76 = 69,758.82 : x
  2. Step 2: Convert to fraction form
    79,243.14/119,012.76 = 69,758.82/x
  3. Step 3: Cross multiply
    79,243.14x = 119,012.76 × 69,758.82
  4. Step 4: Simplify right side
    79,243.14x = 8,302,189,702.54
  5. Step 5: Solve for x
    x = 8,302,189,702.54/79,243.14
  6. Step 6: Final answer
    x = 104,768.56

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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.