Finding the Fourth Proportional to 84,487.14, 116,618.22 and 48,701.08
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Solution
The fourth proportional to 84,487.14, 116,618.22 and 48,701.08 is: 67,222.46
Step by Step Solution
- Step 1: Write the proportion equation
84,487.14 : 116,618.22 = 48,701.08 : x - Step 2: Convert to fraction form
84,487.14/116,618.22 = 48,701.08/x - Step 3: Cross multiply
84,487.14x = 116,618.22 × 48,701.08 - Step 4: Simplify right side
84,487.14x = 5,679,433,261.68 - Step 5: Solve for x
x = 5,679,433,261.68/84,487.14 - Step 6: Final answer
x = 67,222.46
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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.