Home / 55,077.14-76,006.26-31,208.36

Finding the Fourth Proportional to 55,077.14, 76,006.26 and 31,208.36

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Solution

The fourth proportional to 55,077.14, 76,006.26 and 31,208.36 is: 43,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,077.14 : 76,006.26 = 31,208.36 : x
  2. Step 2: Convert to fraction form
    55,077.14/76,006.26 = 31,208.36/x
  3. Step 3: Cross multiply
    55,077.14x = 76,006.26 × 31,208.36
  4. Step 4: Simplify right side
    55,077.14x = 2,372,030,724.33
  5. Step 5: Solve for x
    x = 2,372,030,724.33/55,077.14
  6. Step 6: Final answer
    x = 43,067.43

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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.