Finding the Fourth Proportional to 88,359.24, 121,936.96 and 48,073.49
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Solution
The fourth proportional to 88,359.24, 121,936.96 and 48,073.49 is: 66,342.07
Step by Step Solution
- Step 1: Write the proportion equation
88,359.24 : 121,936.96 = 48,073.49 : x - Step 2: Convert to fraction form
88,359.24/121,936.96 = 48,073.49/x - Step 3: Cross multiply
88,359.24x = 121,936.96 × 48,073.49 - Step 4: Simplify right side
88,359.24x = 5,861,935,227.19 - Step 5: Solve for x
x = 5,861,935,227.19/88,359.24 - Step 6: Final answer
x = 66,342.07
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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.