Finding the Fourth Proportional to 102,227.49, 141,072.93 and 56,904.75
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Solution
The fourth proportional to 102,227.49, 141,072.93 and 56,904.75 is: 78,527.99
Step by Step Solution
- Step 1: Write the proportion equation
102,227.49 : 141,072.93 = 56,904.75 : x - Step 2: Convert to fraction form
102,227.49/141,072.93 = 56,904.75/x - Step 3: Cross multiply
102,227.49x = 141,072.93 × 56,904.75 - Step 4: Simplify right side
102,227.49x = 8,027,719,813.42 - Step 5: Solve for x
x = 8,027,719,813.42/102,227.49 - Step 6: Final answer
x = 78,527.99
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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.