Finding the Fourth Proportional to 80,935.34, 121,398.68 and 24,775.48
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Solution
The fourth proportional to 80,935.34, 121,398.68 and 24,775.48 is: 37,161.89
Step by Step Solution
- Step 1: Write the proportion equation
80,935.34 : 121,398.68 = 24,775.48 : x - Step 2: Convert to fraction form
80,935.34/121,398.68 = 24,775.48/x - Step 3: Cross multiply
80,935.34x = 121,398.68 × 24,775.48 - Step 4: Simplify right side
80,935.34x = 3,007,710,326.81 - Step 5: Solve for x
x = 3,007,710,326.81/80,935.34 - Step 6: Final answer
x = 37,161.89
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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.