Home / 69,668.32-104,269.20-57,187.84

Finding the Fourth Proportional to 69,668.32, 104,269.20 and 57,187.84

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Solution

The fourth proportional to 69,668.32, 104,269.20 and 57,187.84 is: 85,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.32 : 104,269.20 = 57,187.84 : x
  2. Step 2: Convert to fraction form
    69,668.32/104,269.20 = 57,187.84/x
  3. Step 3: Cross multiply
    69,668.32x = 104,269.20 × 57,187.84
  4. Step 4: Simplify right side
    69,668.32x = 5,962,930,326.53
  5. Step 5: Solve for x
    x = 5,962,930,326.53/69,668.32
  6. Step 6: Final answer
    x = 85,590.27

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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.