Home / 55,283.27-76,290.27-31,409.43

Finding the Fourth Proportional to 55,283.27, 76,290.27 and 31,409.43

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Solution

The fourth proportional to 55,283.27, 76,290.27 and 31,409.43 is: 43,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,283.27 : 76,290.27 = 31,409.43 : x
  2. Step 2: Convert to fraction form
    55,283.27/76,290.27 = 31,409.43/x
  3. Step 3: Cross multiply
    55,283.27x = 76,290.27 × 31,409.43
  4. Step 4: Simplify right side
    55,283.27x = 2,396,233,895.25
  5. Step 5: Solve for x
    x = 2,396,233,895.25/55,283.27
  6. Step 6: Final answer
    x = 43,344.65

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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.