Finding the Fourth Proportional to 98,872.09, 148,329.96 and 54,475.99
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Solution
The fourth proportional to 98,872.09, 148,329.96 and 54,475.99 is: 81,726.01
Step by Step Solution
- Step 1: Write the proportion equation
98,872.09 : 148,329.96 = 54,475.99 : x - Step 2: Convert to fraction form
98,872.09/148,329.96 = 54,475.99/x - Step 3: Cross multiply
98,872.09x = 148,329.96 × 54,475.99 - Step 4: Simplify right side
98,872.09x = 8,080,421,417.66 - Step 5: Solve for x
x = 8,080,421,417.66/98,872.09 - Step 6: Final answer
x = 81,726.01
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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.