Finding the Fourth Proportional to 71,328.40, 106,901.01 and 26,902.23
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Solution
The fourth proportional to 71,328.40, 106,901.01 and 26,902.23 is: 40,318.80
Step by Step Solution
- Step 1: Write the proportion equation
71,328.40 : 106,901.01 = 26,902.23 : x - Step 2: Convert to fraction form
71,328.40/106,901.01 = 26,902.23/x - Step 3: Cross multiply
71,328.40x = 106,901.01 × 26,902.23 - Step 4: Simplify right side
71,328.40x = 2,875,875,558.25 - Step 5: Solve for x
x = 2,875,875,558.25/71,328.40 - Step 6: Final answer
x = 40,318.80
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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.