Home / 53,768.18-80,485.80-49,175.48

Finding the Fourth Proportional to 53,768.18, 80,485.80 and 49,175.48

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Solution

The fourth proportional to 53,768.18, 80,485.80 and 49,175.48 is: 73,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,768.18 : 80,485.80 = 49,175.48 : x
  2. Step 2: Convert to fraction form
    53,768.18/80,485.80 = 49,175.48/x
  3. Step 3: Cross multiply
    53,768.18x = 80,485.80 × 49,175.48
  4. Step 4: Simplify right side
    53,768.18x = 3,957,927,848.18
  5. Step 5: Solve for x
    x = 3,957,927,848.18/53,768.18
  6. Step 6: Final answer
    x = 73,610.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.