Finding the Fourth Proportional to 102,734.98, 141,773.86 and 57,412.96
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Solution
The fourth proportional to 102,734.98, 141,773.86 and 57,412.96 is: 79,229.65
Step by Step Solution
- Step 1: Write the proportion equation
102,734.98 : 141,773.86 = 57,412.96 : x - Step 2: Convert to fraction form
102,734.98/141,773.86 = 57,412.96/x - Step 3: Cross multiply
102,734.98x = 141,773.86 × 57,412.96 - Step 4: Simplify right side
102,734.98x = 8,139,656,953.23 - Step 5: Solve for x
x = 8,139,656,953.23/102,734.98 - Step 6: Final answer
x = 79,229.65
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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.