Finding the Fourth Proportional to 88,821.80, 133,232.70 and 47,349.80
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Solution
The fourth proportional to 88,821.80, 133,232.70 and 47,349.80 is: 71,024.70
Step by Step Solution
- Step 1: Write the proportion equation
88,821.80 : 133,232.70 = 47,349.80 : x - Step 2: Convert to fraction form
88,821.80/133,232.70 = 47,349.80/x - Step 3: Cross multiply
88,821.80x = 133,232.70 × 47,349.80 - Step 4: Simplify right side
88,821.80x = 6,308,541,698.46 - Step 5: Solve for x
x = 6,308,541,698.46/88,821.80 - Step 6: Final answer
x = 71,024.70
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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.