Home / 77,744.28-107,027.46-74,173.44

Finding the Fourth Proportional to 77,744.28, 107,027.46 and 74,173.44

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Solution

The fourth proportional to 77,744.28, 107,027.46 and 74,173.44 is: 102,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,744.28 : 107,027.46 = 74,173.44 : x
  2. Step 2: Convert to fraction form
    77,744.28/107,027.46 = 74,173.44/x
  3. Step 3: Cross multiply
    77,744.28x = 107,027.46 × 74,173.44
  4. Step 4: Simplify right side
    77,744.28x = 7,938,594,882.66
  5. Step 5: Solve for x
    x = 7,938,594,882.66/77,744.28
  6. Step 6: Final answer
    x = 102,111.63

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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.