Finding the Fourth Proportional to 91,365.08, 126,122.68 and 55,566.58
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Solution
The fourth proportional to 91,365.08, 126,122.68 and 55,566.58 is: 76,705.52
Step by Step Solution
- Step 1: Write the proportion equation
91,365.08 : 126,122.68 = 55,566.58 : x - Step 2: Convert to fraction form
91,365.08/126,122.68 = 55,566.58/x - Step 3: Cross multiply
91,365.08x = 126,122.68 × 55,566.58 - Step 4: Simplify right side
91,365.08x = 7,008,205,988.03 - Step 5: Solve for x
x = 7,008,205,988.03/91,365.08 - Step 6: Final answer
x = 76,705.52
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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.