Finding the Fourth Proportional to 97,014.40, 133,879.91 and 54,572.96
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Solution
The fourth proportional to 97,014.40, 133,879.91 and 54,572.96 is: 75,310.71
Step by Step Solution
- Step 1: Write the proportion equation
97,014.40 : 133,879.91 = 54,572.96 : x - Step 2: Convert to fraction form
97,014.40/133,879.91 = 54,572.96/x - Step 3: Cross multiply
97,014.40x = 133,879.91 × 54,572.96 - Step 4: Simplify right side
97,014.40x = 7,306,223,035.07 - Step 5: Solve for x
x = 7,306,223,035.07/97,014.40 - Step 6: Final answer
x = 75,310.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.