Finding the Fourth Proportional to 80,345.09, 120,572.08 and 32,968.75
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Solution
The fourth proportional to 80,345.09, 120,572.08 and 32,968.75 is: 49,475.46
Step by Step Solution
- Step 1: Write the proportion equation
80,345.09 : 120,572.08 = 32,968.75 : x - Step 2: Convert to fraction form
80,345.09/120,572.08 = 32,968.75/x - Step 3: Cross multiply
80,345.09x = 120,572.08 × 32,968.75 - Step 4: Simplify right side
80,345.09x = 3,975,109,994.80 - Step 5: Solve for x
x = 3,975,109,994.80/80,345.09 - Step 6: Final answer
x = 49,475.46
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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.