Finding the Fourth Proportional to 98,528.58, 147,754.71 and 31,952.70
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Solution
The fourth proportional to 98,528.58, 147,754.71 and 31,952.70 is: 47,916.67
Step by Step Solution
- Step 1: Write the proportion equation
98,528.58 : 147,754.71 = 31,952.70 : x - Step 2: Convert to fraction form
98,528.58/147,754.71 = 31,952.70/x - Step 3: Cross multiply
98,528.58x = 147,754.71 × 31,952.70 - Step 4: Simplify right side
98,528.58x = 4,721,161,922.22 - Step 5: Solve for x
x = 4,721,161,922.22/98,528.58 - Step 6: Final answer
x = 47,916.67
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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.