Home / 84,067.47-116,015.09-51,790.19

Finding the Fourth Proportional to 84,067.47, 116,015.09 and 51,790.19

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Solution

The fourth proportional to 84,067.47, 116,015.09 and 51,790.19 is: 71,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,067.47 : 116,015.09 = 51,790.19 : x
  2. Step 2: Convert to fraction form
    84,067.47/116,015.09 = 51,790.19/x
  3. Step 3: Cross multiply
    84,067.47x = 116,015.09 × 51,790.19
  4. Step 4: Simplify right side
    84,067.47x = 6,008,442,714.94
  5. Step 5: Solve for x
    x = 6,008,442,714.94/84,067.47
  6. Step 6: Final answer
    x = 71,471.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.