Home / 85,581.78-118,099.38-46,818.97

Finding the Fourth Proportional to 85,581.78, 118,099.38 and 46,818.97

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Solution

The fourth proportional to 85,581.78, 118,099.38 and 46,818.97 is: 64,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,581.78 : 118,099.38 = 46,818.97 : x
  2. Step 2: Convert to fraction form
    85,581.78/118,099.38 = 46,818.97/x
  3. Step 3: Cross multiply
    85,581.78x = 118,099.38 × 46,818.97
  4. Step 4: Simplify right side
    85,581.78x = 5,529,290,504.65
  5. Step 5: Solve for x
    x = 5,529,290,504.65/85,581.78
  6. Step 6: Final answer
    x = 64,608.27

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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.