Finding the Fourth Proportional to 96,683.10, 133,420.62 and 53,660.08
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Solution
The fourth proportional to 96,683.10, 133,420.62 and 53,660.08 is: 74,049.77
Step by Step Solution
- Step 1: Write the proportion equation
96,683.10 : 133,420.62 = 53,660.08 : x - Step 2: Convert to fraction form
96,683.10/133,420.62 = 53,660.08/x - Step 3: Cross multiply
96,683.10x = 133,420.62 × 53,660.08 - Step 4: Simplify right side
96,683.10x = 7,159,361,142.85 - Step 5: Solve for x
x = 7,159,361,142.85/96,683.10 - Step 6: Final answer
x = 74,049.77
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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.