Home / 112,041.12-168,012.40-33,161.44

Finding the Fourth Proportional to 112,041.12, 168,012.40 and 33,161.44

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Solution

The fourth proportional to 112,041.12, 168,012.40 and 33,161.44 is: 49,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,041.12 : 168,012.40 = 33,161.44 : x
  2. Step 2: Convert to fraction form
    112,041.12/168,012.40 = 33,161.44/x
  3. Step 3: Cross multiply
    112,041.12x = 168,012.40 × 33,161.44
  4. Step 4: Simplify right side
    112,041.12x = 5,571,533,121.86
  5. Step 5: Solve for x
    x = 5,571,533,121.86/112,041.12
  6. Step 6: Final answer
    x = 49,727.57

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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.