Home / 55,054.26-75,975.54-31,180.35

Finding the Fourth Proportional to 55,054.26, 75,975.54 and 31,180.35

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Solution

The fourth proportional to 55,054.26, 75,975.54 and 31,180.35 is: 43,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,054.26 : 75,975.54 = 31,180.35 : x
  2. Step 2: Convert to fraction form
    55,054.26/75,975.54 = 31,180.35/x
  3. Step 3: Cross multiply
    55,054.26x = 75,975.54 × 31,180.35
  4. Step 4: Simplify right side
    55,054.26x = 2,368,943,928.64
  5. Step 5: Solve for x
    x = 2,368,943,928.64/55,054.26
  6. Step 6: Final answer
    x = 43,029.26

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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.