Home / 49,685.90-74,505.44-14,618.57

Finding the Fourth Proportional to 49,685.90, 74,505.44 and 14,618.57

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Solution

The fourth proportional to 49,685.90, 74,505.44 and 14,618.57 is: 21,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,685.90 : 74,505.44 = 14,618.57 : x
  2. Step 2: Convert to fraction form
    49,685.90/74,505.44 = 14,618.57/x
  3. Step 3: Cross multiply
    49,685.90x = 74,505.44 × 14,618.57
  4. Step 4: Simplify right side
    49,685.90x = 1,089,162,544.40
  5. Step 5: Solve for x
    x = 1,089,162,544.40/49,685.90
  6. Step 6: Final answer
    x = 21,920.96

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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.