Home / 83,879.24-125,942.79-55,973.12

Finding the Fourth Proportional to 83,879.24, 125,942.79 and 55,973.12

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Solution

The fourth proportional to 83,879.24, 125,942.79 and 55,973.12 is: 84,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,879.24 : 125,942.79 = 55,973.12 : x
  2. Step 2: Convert to fraction form
    83,879.24/125,942.79 = 55,973.12/x
  3. Step 3: Cross multiply
    83,879.24x = 125,942.79 × 55,973.12
  4. Step 4: Simplify right side
    83,879.24x = 7,049,410,897.80
  5. Step 5: Solve for x
    x = 7,049,410,897.80/83,879.24
  6. Step 6: Final answer
    x = 84,042.38

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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.