Home / 90,816.44-125,327.31-50,531.90

Finding the Fourth Proportional to 90,816.44, 125,327.31 and 50,531.90

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Solution

The fourth proportional to 90,816.44, 125,327.31 and 50,531.90 is: 69,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,816.44 : 125,327.31 = 50,531.90 : x
  2. Step 2: Convert to fraction form
    90,816.44/125,327.31 = 50,531.90/x
  3. Step 3: Cross multiply
    90,816.44x = 125,327.31 × 50,531.90
  4. Step 4: Simplify right side
    90,816.44x = 6,333,027,096.19
  5. Step 5: Solve for x
    x = 6,333,027,096.19/90,816.44
  6. Step 6: Final answer
    x = 69,734.37

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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.