Finding the Fourth Proportional to 88,817.99, 133,321.83 and 38,242.07
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Solution
The fourth proportional to 88,817.99, 133,321.83 and 38,242.07 is: 57,403.94
Step by Step Solution
- Step 1: Write the proportion equation
88,817.99 : 133,321.83 = 38,242.07 : x - Step 2: Convert to fraction form
88,817.99/133,321.83 = 38,242.07/x - Step 3: Cross multiply
88,817.99x = 133,321.83 × 38,242.07 - Step 4: Simplify right side
88,817.99x = 5,098,502,755.39 - Step 5: Solve for x
x = 5,098,502,755.39/88,817.99 - Step 6: Final answer
x = 57,403.94
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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.