Home / 112,021.47-168,063.89-33,135.39

Finding the Fourth Proportional to 112,021.47, 168,063.89 and 33,135.39

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Solution

The fourth proportional to 112,021.47, 168,063.89 and 33,135.39 is: 49,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,021.47 : 168,063.89 = 33,135.39 : x
  2. Step 2: Convert to fraction form
    112,021.47/168,063.89 = 33,135.39/x
  3. Step 3: Cross multiply
    112,021.47x = 168,063.89 × 33,135.39
  4. Step 4: Simplify right side
    112,021.47x = 5,568,862,374.39
  5. Step 5: Solve for x
    x = 5,568,862,374.39/112,021.47
  6. Step 6: Final answer
    x = 49,712.46

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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.