Home / 85,153.97-117,511.46-46,912.76

Finding the Fourth Proportional to 85,153.97, 117,511.46 and 46,912.76

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Solution

The fourth proportional to 85,153.97, 117,511.46 and 46,912.76 is: 64,739.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,153.97 : 117,511.46 = 46,912.76 : x
  2. Step 2: Convert to fraction form
    85,153.97/117,511.46 = 46,912.76/x
  3. Step 3: Cross multiply
    85,153.97x = 117,511.46 × 46,912.76
  4. Step 4: Simplify right side
    85,153.97x = 5,512,786,098.11
  5. Step 5: Solve for x
    x = 5,512,786,098.11/85,153.97
  6. Step 6: Final answer
    x = 64,739.04

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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.