Home / 69,511.23-95,929.64-39,299.37

Finding the Fourth Proportional to 69,511.23, 95,929.64 and 39,299.37

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Solution

The fourth proportional to 69,511.23, 95,929.64 and 39,299.37 is: 54,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,511.23 : 95,929.64 = 39,299.37 : x
  2. Step 2: Convert to fraction form
    69,511.23/95,929.64 = 39,299.37/x
  3. Step 3: Cross multiply
    69,511.23x = 95,929.64 × 39,299.37
  4. Step 4: Simplify right side
    69,511.23x = 3,769,974,416.33
  5. Step 5: Solve for x
    x = 3,769,974,416.33/69,511.23
  6. Step 6: Final answer
    x = 54,235.47

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1.5x scale

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.