Finding the Fourth Proportional to 93,561.14, 129,069.42 and 68,027.92
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Solution
The fourth proportional to 93,561.14, 129,069.42 and 68,027.92 is: 93,845.84
Step by Step Solution
- Step 1: Write the proportion equation
93,561.14 : 129,069.42 = 68,027.92 : x - Step 2: Convert to fraction form
93,561.14/129,069.42 = 68,027.92/x - Step 3: Cross multiply
93,561.14x = 129,069.42 × 68,027.92 - Step 4: Simplify right side
93,561.14x = 8,780,323,600.43 - Step 5: Solve for x
x = 8,780,323,600.43/93,561.14 - Step 6: Final answer
x = 93,845.84
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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.