Finding the Fourth Proportional to 80,824.74, 121,159.35 and 41,400.42
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Solution
The fourth proportional to 80,824.74, 121,159.35 and 41,400.42 is: 62,060.80
Step by Step Solution
- Step 1: Write the proportion equation
80,824.74 : 121,159.35 = 41,400.42 : x - Step 2: Convert to fraction form
80,824.74/121,159.35 = 41,400.42/x - Step 3: Cross multiply
80,824.74x = 121,159.35 × 41,400.42 - Step 4: Simplify right side
80,824.74x = 5,016,047,976.93 - Step 5: Solve for x
x = 5,016,047,976.93/80,824.74 - Step 6: Final answer
x = 62,060.80
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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.