Finding the Fourth Proportional to 85,929.75, 118,583.87 and 48,204.81
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Solution
The fourth proportional to 85,929.75, 118,583.87 and 48,204.81 is: 66,523.09
Step by Step Solution
- Step 1: Write the proportion equation
85,929.75 : 118,583.87 = 48,204.81 : x - Step 2: Convert to fraction form
85,929.75/118,583.87 = 48,204.81/x - Step 3: Cross multiply
85,929.75x = 118,583.87 × 48,204.81 - Step 4: Simplify right side
85,929.75x = 5,716,312,681.39 - Step 5: Solve for x
x = 5,716,312,681.39/85,929.75 - Step 6: Final answer
x = 66,523.09
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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.