Home / 86,195.36-118,948.56-48,476

Finding the Fourth Proportional to 86,195.36, 118,948.56 and 48,476

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Solution

The fourth proportional to 86,195.36, 118,948.56 and 48,476 is: 66,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,195.36 : 118,948.56 = 48,476 : x
  2. Step 2: Convert to fraction form
    86,195.36/118,948.56 = 48,476/x
  3. Step 3: Cross multiply
    86,195.36x = 118,948.56 × 48,476
  4. Step 4: Simplify right side
    86,195.36x = 5,766,150,394.56
  5. Step 5: Solve for x
    x = 5,766,150,394.56/86,195.36
  6. Step 6: Final answer
    x = 66,896.30

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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.