Finding the Fourth Proportional to 88,782.48, 133,242.57 and 66,349.53
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Solution
The fourth proportional to 88,782.48, 133,242.57 and 66,349.53 is: 99,575.75
Step by Step Solution
- Step 1: Write the proportion equation
88,782.48 : 133,242.57 = 66,349.53 : x - Step 2: Convert to fraction form
88,782.48/133,242.57 = 66,349.53/x - Step 3: Cross multiply
88,782.48x = 133,242.57 × 66,349.53 - Step 4: Simplify right side
88,782.48x = 8,840,581,895.49 - Step 5: Solve for x
x = 8,840,581,895.49/88,782.48 - Step 6: Final answer
x = 99,575.75
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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.