Home / 85,153.21-117,511.46-49,363.97

Finding the Fourth Proportional to 85,153.21, 117,511.46 and 49,363.97

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Solution

The fourth proportional to 85,153.21, 117,511.46 and 49,363.97 is: 68,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,153.21 : 117,511.46 = 49,363.97 : x
  2. Step 2: Convert to fraction form
    85,153.21/117,511.46 = 49,363.97/x
  3. Step 3: Cross multiply
    85,153.21x = 117,511.46 × 49,363.97
  4. Step 4: Simplify right side
    85,153.21x = 5,800,831,536.83
  5. Step 5: Solve for x
    x = 5,800,831,536.83/85,153.21
  6. Step 6: Final answer
    x = 68,122.29

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1.5x scale

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.