Home / 77,735.48-107,273.71-43,743.95

Finding the Fourth Proportional to 77,735.48, 107,273.71 and 43,743.95

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Solution

The fourth proportional to 77,735.48, 107,273.71 and 43,743.95 is: 60,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,735.48 : 107,273.71 = 43,743.95 : x
  2. Step 2: Convert to fraction form
    77,735.48/107,273.71 = 43,743.95/x
  3. Step 3: Cross multiply
    77,735.48x = 107,273.71 × 43,743.95
  4. Step 4: Simplify right side
    77,735.48x = 4,692,575,563.10
  5. Step 5: Solve for x
    x = 4,692,575,563.10/77,735.48
  6. Step 6: Final answer
    x = 60,365.94

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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.