Finding the Fourth Proportional to 86,047.04, 129,051.09 and 32,719.95
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Solution
The fourth proportional to 86,047.04, 129,051.09 and 32,719.95 is: 49,072.52
Step by Step Solution
- Step 1: Write the proportion equation
86,047.04 : 129,051.09 = 32,719.95 : x - Step 2: Convert to fraction form
86,047.04/129,051.09 = 32,719.95/x - Step 3: Cross multiply
86,047.04x = 129,051.09 × 32,719.95 - Step 4: Simplify right side
86,047.04x = 4,222,545,212.25 - Step 5: Solve for x
x = 4,222,545,212.25/86,047.04 - Step 6: Final answer
x = 49,072.52
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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.