Finding the Fourth Proportional to 85,845.84, 118,466.82 and 48,120.08
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Solution
The fourth proportional to 85,845.84, 118,466.82 and 48,120.08 is: 66,405.46
Step by Step Solution
- Step 1: Write the proportion equation
85,845.84 : 118,466.82 = 48,120.08 : x - Step 2: Convert to fraction form
85,845.84/118,466.82 = 48,120.08/x - Step 3: Cross multiply
85,845.84x = 118,466.82 × 48,120.08 - Step 4: Simplify right side
85,845.84x = 5,700,632,855.75 - Step 5: Solve for x
x = 5,700,632,855.75/85,845.84 - Step 6: Final answer
x = 66,405.46
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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.