Home / 40,766.65-61,143.42-11,177.62

Finding the Fourth Proportional to 40,766.65, 61,143.42 and 11,177.62

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Solution

The fourth proportional to 40,766.65, 61,143.42 and 11,177.62 is: 16,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,766.65 : 61,143.42 = 11,177.62 : x
  2. Step 2: Convert to fraction form
    40,766.65/61,143.42 = 11,177.62/x
  3. Step 3: Cross multiply
    40,766.65x = 61,143.42 × 11,177.62
  4. Step 4: Simplify right side
    40,766.65x = 683,437,914.26
  5. Step 5: Solve for x
    x = 683,437,914.26/40,766.65
  6. Step 6: Final answer
    x = 16,764.63

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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.