Home / 79,609.46-119,460.32-40,169.65

Finding the Fourth Proportional to 79,609.46, 119,460.32 and 40,169.65

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Solution

The fourth proportional to 79,609.46, 119,460.32 and 40,169.65 is: 60,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,609.46 : 119,460.32 = 40,169.65 : x
  2. Step 2: Convert to fraction form
    79,609.46/119,460.32 = 40,169.65/x
  3. Step 3: Cross multiply
    79,609.46x = 119,460.32 × 40,169.65
  4. Step 4: Simplify right side
    79,609.46x = 4,798,678,782.43
  5. Step 5: Solve for x
    x = 4,798,678,782.43/79,609.46
  6. Step 6: Final answer
    x = 60,277.75

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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.