Finding the Fourth Proportional to 91,864.13, 137,796.19 and 29,534.63
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Solution
The fourth proportional to 91,864.13, 137,796.19 and 29,534.63 is: 44,301.94
Step by Step Solution
- Step 1: Write the proportion equation
91,864.13 : 137,796.19 = 29,534.63 : x - Step 2: Convert to fraction form
91,864.13/137,796.19 = 29,534.63/x - Step 3: Cross multiply
91,864.13x = 137,796.19 × 29,534.63 - Step 4: Simplify right side
91,864.13x = 4,069,758,724.24 - Step 5: Solve for x
x = 4,069,758,724.24/91,864.13 - Step 6: Final answer
x = 44,301.94
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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.