Finding the Fourth Proportional to 84,325.82, 116,374.82 and 48,515.00
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Solution
The fourth proportional to 84,325.82, 116,374.82 and 48,515.00 is: 66,953.68
Step by Step Solution
- Step 1: Write the proportion equation
84,325.82 : 116,374.82 = 48,515.00 : x - Step 2: Convert to fraction form
84,325.82/116,374.82 = 48,515.00/x - Step 3: Cross multiply
84,325.82x = 116,374.82 × 48,515.00 - Step 4: Simplify right side
84,325.82x = 5,645,923,567.85 - Step 5: Solve for x
x = 5,645,923,567.85/84,325.82 - Step 6: Final answer
x = 66,953.68
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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.