Finding the Fourth Proportional to 73,700.68, 101,706.96 and 40,166.68
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Solution
The fourth proportional to 73,700.68, 101,706.96 and 40,166.68 is: 55,430.03
Step by Step Solution
- Step 1: Write the proportion equation
73,700.68 : 101,706.96 = 40,166.68 : x - Step 2: Convert to fraction form
73,700.68/101,706.96 = 40,166.68/x - Step 3: Cross multiply
73,700.68x = 101,706.96 × 40,166.68 - Step 4: Simplify right side
73,700.68x = 4,085,230,916.09 - Step 5: Solve for x
x = 4,085,230,916.09/73,700.68 - Step 6: Final answer
x = 55,430.03
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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.