Finding the Fourth Proportional to 91,723.18, 137,598.44 and 32,553.90
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Solution
The fourth proportional to 91,723.18, 137,598.44 and 32,553.90 is: 48,835.70
Step by Step Solution
- Step 1: Write the proportion equation
91,723.18 : 137,598.44 = 32,553.90 : x - Step 2: Convert to fraction form
91,723.18/137,598.44 = 32,553.90/x - Step 3: Cross multiply
91,723.18x = 137,598.44 × 32,553.90 - Step 4: Simplify right side
91,723.18x = 4,479,365,421.31 - Step 5: Solve for x
x = 4,479,365,421.31/91,723.18 - Step 6: Final answer
x = 48,835.70
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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.