Finding the Fourth Proportional to 81,871.29, 122,806.93 and 22,706.96
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Solution
The fourth proportional to 81,871.29, 122,806.93 and 22,706.96 is: 34,060.44
Step by Step Solution
- Step 1: Write the proportion equation
81,871.29 : 122,806.93 = 22,706.96 : x - Step 2: Convert to fraction form
81,871.29/122,806.93 = 22,706.96/x - Step 3: Cross multiply
81,871.29x = 122,806.93 × 22,706.96 - Step 4: Simplify right side
81,871.29x = 2,788,572,047.23 - Step 5: Solve for x
x = 2,788,572,047.23/81,871.29 - Step 6: Final answer
x = 34,060.44
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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.