Finding the Fourth Proportional to 73,850.68, 101,913.42 and 40,316.68
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Solution
The fourth proportional to 73,850.68, 101,913.42 and 40,316.68 is: 55,636.74
Step by Step Solution
- Step 1: Write the proportion equation
73,850.68 : 101,913.42 = 40,316.68 : x - Step 2: Convert to fraction form
73,850.68/101,913.42 = 40,316.68/x - Step 3: Cross multiply
73,850.68x = 101,913.42 × 40,316.68 - Step 4: Simplify right side
73,850.68x = 4,108,810,741.85 - Step 5: Solve for x
x = 4,108,810,741.85/73,850.68 - Step 6: Final answer
x = 55,636.74
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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.