Home / 55,551.27-76,660.70-31,357.33

Finding the Fourth Proportional to 55,551.27, 76,660.70 and 31,357.33

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Solution

The fourth proportional to 55,551.27, 76,660.70 and 31,357.33 is: 43,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,551.27 : 76,660.70 = 31,357.33 : x
  2. Step 2: Convert to fraction form
    55,551.27/76,660.70 = 31,357.33/x
  3. Step 3: Cross multiply
    55,551.27x = 76,660.70 × 31,357.33
  4. Step 4: Simplify right side
    55,551.27x = 2,403,874,619.65
  5. Step 5: Solve for x
    x = 2,403,874,619.65/55,551.27
  6. Step 6: Final answer
    x = 43,273.08

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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.