Finding the Fourth Proportional to 93,890.75, 129,569.24 and 54,146.75
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Solution
The fourth proportional to 93,890.75, 129,569.24 and 54,146.75 is: 74,722.52
Step by Step Solution
- Step 1: Write the proportion equation
93,890.75 : 129,569.24 = 54,146.75 : x - Step 2: Convert to fraction form
93,890.75/129,569.24 = 54,146.75/x - Step 3: Cross multiply
93,890.75x = 129,569.24 × 54,146.75 - Step 4: Simplify right side
93,890.75x = 7,015,753,245.97 - Step 5: Solve for x
x = 7,015,753,245.97/93,890.75 - Step 6: Final answer
x = 74,722.52
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1.5x scale
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.