Finding the Fourth Proportional to 93,858.18, 129,527.51 and 51,416.70
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Solution
The fourth proportional to 93,858.18, 129,527.51 and 51,416.70 is: 70,956.80
Step by Step Solution
- Step 1: Write the proportion equation
93,858.18 : 129,527.51 = 51,416.70 : x - Step 2: Convert to fraction form
93,858.18/129,527.51 = 51,416.70/x - Step 3: Cross multiply
93,858.18x = 129,527.51 × 51,416.70 - Step 4: Simplify right side
93,858.18x = 6,659,876,218.70 - Step 5: Solve for x
x = 6,659,876,218.70/93,858.18 - Step 6: Final answer
x = 70,956.80
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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.