Finding the Fourth Proportional to 99,791.01, 137,708.17 and 59,483.99
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Solution
The fourth proportional to 99,791.01, 137,708.17 and 59,483.99 is: 82,085.87
Step by Step Solution
- Step 1: Write the proportion equation
99,791.01 : 137,708.17 = 59,483.99 : x - Step 2: Convert to fraction form
99,791.01/137,708.17 = 59,483.99/x - Step 3: Cross multiply
99,791.01x = 137,708.17 × 59,483.99 - Step 4: Simplify right side
99,791.01x = 8,191,431,602.76 - Step 5: Solve for x
x = 8,191,431,602.76/99,791.01 - Step 6: Final answer
x = 82,085.87
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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.