Finding the Fourth Proportional to 73,651.68, 101,638.80 and 40,117.68
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Solution
The fourth proportional to 73,651.68, 101,638.80 and 40,117.68 is: 55,362.12
Step by Step Solution
- Step 1: Write the proportion equation
73,651.68 : 101,638.80 = 40,117.68 : x - Step 2: Convert to fraction form
73,651.68/101,638.80 = 40,117.68/x - Step 3: Cross multiply
73,651.68x = 101,638.80 × 40,117.68 - Step 4: Simplify right side
73,651.68x = 4,077,512,853.98 - Step 5: Solve for x
x = 4,077,512,853.98/73,651.68 - Step 6: Final answer
x = 55,362.12
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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.