Finding the Fourth Proportional to 84,297.79, 116,334.35 and 48,487.78
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Solution
The fourth proportional to 84,297.79, 116,334.35 and 48,487.78 is: 66,915.09
Step by Step Solution
- Step 1: Write the proportion equation
84,297.79 : 116,334.35 = 48,487.78 : x - Step 2: Convert to fraction form
84,297.79/116,334.35 = 48,487.78/x - Step 3: Cross multiply
84,297.79x = 116,334.35 × 48,487.78 - Step 4: Simplify right side
84,297.79x = 5,640,794,369.24 - Step 5: Solve for x
x = 5,640,794,369.24/84,297.79 - Step 6: Final answer
x = 66,915.09
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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.