Home / 90,976.83-125,557.26-50,697.15

Finding the Fourth Proportional to 90,976.83, 125,557.26 and 50,697.15

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Solution

The fourth proportional to 90,976.83, 125,557.26 and 50,697.15 is: 69,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,976.83 : 125,557.26 = 50,697.15 : x
  2. Step 2: Convert to fraction form
    90,976.83/125,557.26 = 50,697.15/x
  3. Step 3: Cross multiply
    90,976.83x = 125,557.26 × 50,697.15
  4. Step 4: Simplify right side
    90,976.83x = 6,365,394,362.54
  5. Step 5: Solve for x
    x = 6,365,394,362.54/90,976.83
  6. Step 6: Final answer
    x = 69,967.21

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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.