Finding the Fourth Proportional to 74,444.63, 102,735.45 and 40,452.75
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Solution
The fourth proportional to 74,444.63, 102,735.45 and 40,452.75 is: 55,825.81
Step by Step Solution
- Step 1: Write the proportion equation
74,444.63 : 102,735.45 = 40,452.75 : x - Step 2: Convert to fraction form
74,444.63/102,735.45 = 40,452.75/x - Step 3: Cross multiply
74,444.63x = 102,735.45 × 40,452.75 - Step 4: Simplify right side
74,444.63x = 4,155,931,474.99 - Step 5: Solve for x
x = 4,155,931,474.99/74,444.63 - Step 6: Final answer
x = 55,825.81
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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.