Home / 77,849.32-107,035.25-69,268.60

Finding the Fourth Proportional to 77,849.32, 107,035.25 and 69,268.60

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Solution

The fourth proportional to 77,849.32, 107,035.25 and 69,268.60 is: 95,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,849.32 : 107,035.25 = 69,268.60 : x
  2. Step 2: Convert to fraction form
    77,849.32/107,035.25 = 69,268.60/x
  3. Step 3: Cross multiply
    77,849.32x = 107,035.25 × 69,268.60
  4. Step 4: Simplify right side
    77,849.32x = 7,414,181,918.15
  5. Step 5: Solve for x
    x = 7,414,181,918.15/77,849.32
  6. Step 6: Final answer
    x = 95,237.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.