Finding the Fourth Proportional to 74,281.96, 102,523.28 and 58,117.08
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Solution
The fourth proportional to 74,281.96, 102,523.28 and 58,117.08 is: 80,212.66
Step by Step Solution
- Step 1: Write the proportion equation
74,281.96 : 102,523.28 = 58,117.08 : x - Step 2: Convert to fraction form
74,281.96/102,523.28 = 58,117.08/x - Step 3: Cross multiply
74,281.96x = 102,523.28 × 58,117.08 - Step 4: Simplify right side
74,281.96x = 5,958,353,665.62 - Step 5: Solve for x
x = 5,958,353,665.62/74,281.96 - Step 6: Final answer
x = 80,212.66
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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.