Home / 53,764.98-74,187.55-30,791.23

Finding the Fourth Proportional to 53,764.98, 74,187.55 and 30,791.23

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Solution

The fourth proportional to 53,764.98, 74,187.55 and 30,791.23 is: 42,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,764.98 : 74,187.55 = 30,791.23 : x
  2. Step 2: Convert to fraction form
    53,764.98/74,187.55 = 30,791.23/x
  3. Step 3: Cross multiply
    53,764.98x = 74,187.55 × 30,791.23
  4. Step 4: Simplify right side
    53,764.98x = 2,284,325,915.19
  5. Step 5: Solve for x
    x = 2,284,325,915.19/53,764.98
  6. Step 6: Final answer
    x = 42,487.25

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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.