Finding the Fourth Proportional to 72,571.08, 108,848.44 and 25,177.44
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Solution
The fourth proportional to 72,571.08, 108,848.44 and 25,177.44 is: 37,763.32
Step by Step Solution
- Step 1: Write the proportion equation
72,571.08 : 108,848.44 = 25,177.44 : x - Step 2: Convert to fraction form
72,571.08/108,848.44 = 25,177.44/x - Step 3: Cross multiply
72,571.08x = 108,848.44 × 25,177.44 - Step 4: Simplify right side
72,571.08x = 2,740,525,067.19 - Step 5: Solve for x
x = 2,740,525,067.19/72,571.08 - Step 6: Final answer
x = 37,763.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.