Finding the Fourth Proportional to 94,502.62, 141,426.97 and 77,438.38
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Solution
The fourth proportional to 94,502.62, 141,426.97 and 77,438.38 is: 115,889.65
Step by Step Solution
- Step 1: Write the proportion equation
94,502.62 : 141,426.97 = 77,438.38 : x - Step 2: Convert to fraction form
94,502.62/141,426.97 = 77,438.38/x - Step 3: Cross multiply
94,502.62x = 141,426.97 × 77,438.38 - Step 4: Simplify right side
94,502.62x = 10,951,875,441.31 - Step 5: Solve for x
x = 10,951,875,441.31/94,502.62 - Step 6: Final answer
x = 115,889.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.