Home / 69,504.08-95,920.61-39,291.89

Finding the Fourth Proportional to 69,504.08, 95,920.61 and 39,291.89

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Solution

The fourth proportional to 69,504.08, 95,920.61 and 39,291.89 is: 54,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,504.08 : 95,920.61 = 39,291.89 : x
  2. Step 2: Convert to fraction form
    69,504.08/95,920.61 = 39,291.89/x
  3. Step 3: Cross multiply
    69,504.08x = 95,920.61 × 39,291.89
  4. Step 4: Simplify right side
    69,504.08x = 3,768,901,380.79
  5. Step 5: Solve for x
    x = 3,768,901,380.79/69,504.08
  6. Step 6: Final answer
    x = 54,225.62

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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.