Finding the Fourth Proportional to 88,991.09, 133,514.58 and 39,113.11
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Solution
The fourth proportional to 88,991.09, 133,514.58 and 39,113.11 is: 58,681.95
Step by Step Solution
- Step 1: Write the proportion equation
88,991.09 : 133,514.58 = 39,113.11 : x - Step 2: Convert to fraction form
88,991.09/133,514.58 = 39,113.11/x - Step 3: Cross multiply
88,991.09x = 133,514.58 × 39,113.11 - Step 4: Simplify right side
88,991.09x = 5,222,170,547.70 - Step 5: Solve for x
x = 5,222,170,547.70/88,991.09 - Step 6: Final answer
x = 58,681.95
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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.