Home / 112,039.48-168,000.90-33,143.05

Finding the Fourth Proportional to 112,039.48, 168,000.90 and 33,143.05

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Solution

The fourth proportional to 112,039.48, 168,000.90 and 33,143.05 is: 49,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,039.48 : 168,000.90 = 33,143.05 : x
  2. Step 2: Convert to fraction form
    112,039.48/168,000.90 = 33,143.05/x
  3. Step 3: Cross multiply
    112,039.48x = 168,000.90 × 33,143.05
  4. Step 4: Simplify right side
    112,039.48x = 5,568,062,228.75
  5. Step 5: Solve for x
    x = 5,568,062,228.75/112,039.48
  6. Step 6: Final answer
    x = 49,697.32

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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.