Home / 112,638.38-168,963.18-33,745.10

Finding the Fourth Proportional to 112,638.38, 168,963.18 and 33,745.10

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Solution

The fourth proportional to 112,638.38, 168,963.18 and 33,745.10 is: 50,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,638.38 : 168,963.18 = 33,745.10 : x
  2. Step 2: Convert to fraction form
    112,638.38/168,963.18 = 33,745.10/x
  3. Step 3: Cross multiply
    112,638.38x = 168,963.18 × 33,745.10
  4. Step 4: Simplify right side
    112,638.38x = 5,701,679,405.42
  5. Step 5: Solve for x
    x = 5,701,679,405.42/112,638.38
  6. Step 6: Final answer
    x = 50,619.33

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1.5x scale

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.