Finding the Fourth Proportional to 75,509.42, 104,202.05 and 43,677.63
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Solution
The fourth proportional to 75,509.42, 104,202.05 and 43,677.63 is: 60,274.58
Step by Step Solution
- Step 1: Write the proportion equation
75,509.42 : 104,202.05 = 43,677.63 : x - Step 2: Convert to fraction form
75,509.42/104,202.05 = 43,677.63/x - Step 3: Cross multiply
75,509.42x = 104,202.05 × 43,677.63 - Step 4: Simplify right side
75,509.42x = 4,551,298,366.75 - Step 5: Solve for x
x = 4,551,298,366.75/75,509.42 - Step 6: Final answer
x = 60,274.58
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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.