Finding the Fourth Proportional to 84,487.39, 116,618.58 and 48,701.32
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Solution
The fourth proportional to 84,487.39, 116,618.58 and 48,701.32 is: 67,222.80
Step by Step Solution
- Step 1: Write the proportion equation
84,487.39 : 116,618.58 = 48,701.32 : x - Step 2: Convert to fraction form
84,487.39/116,618.58 = 48,701.32/x - Step 3: Cross multiply
84,487.39x = 116,618.58 × 48,701.32 - Step 4: Simplify right side
84,487.39x = 5,679,478,782.53 - Step 5: Solve for x
x = 5,679,478,782.53/84,487.39 - Step 6: Final answer
x = 67,222.80
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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.