Home / 112,621.80-168,911.10-33,738.60

Finding the Fourth Proportional to 112,621.80, 168,911.10 and 33,738.60

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Solution

The fourth proportional to 112,621.80, 168,911.10 and 33,738.60 is: 50,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,621.80 : 168,911.10 = 33,738.60 : x
  2. Step 2: Convert to fraction form
    112,621.80/168,911.10 = 33,738.60/x
  3. Step 3: Cross multiply
    112,621.80x = 168,911.10 × 33,738.60
  4. Step 4: Simplify right side
    112,621.80x = 5,698,824,038.46
  5. Step 5: Solve for x
    x = 5,698,824,038.46/112,621.80
  6. Step 6: Final answer
    x = 50,601.43

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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.