Finding the Fourth Proportional to 102,547.44, 141,516.78 and 59,536.98
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Solution
The fourth proportional to 102,547.44, 141,516.78 and 59,536.98 is: 82,161.79
Step by Step Solution
- Step 1: Write the proportion equation
102,547.44 : 141,516.78 = 59,536.98 : x - Step 2: Convert to fraction form
102,547.44/141,516.78 = 59,536.98/x - Step 3: Cross multiply
102,547.44x = 141,516.78 × 59,536.98 - Step 4: Simplify right side
102,547.44x = 8,425,481,700.52 - Step 5: Solve for x
x = 8,425,481,700.52/102,547.44 - Step 6: Final answer
x = 82,161.79
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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.