Finding the Fourth Proportional to 87,827.96, 121,202.62 and 47,541.60
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Solution
The fourth proportional to 87,827.96, 121,202.62 and 47,541.60 is: 65,607.42
Step by Step Solution
- Step 1: Write the proportion equation
87,827.96 : 121,202.62 = 47,541.60 : x - Step 2: Convert to fraction form
87,827.96/121,202.62 = 47,541.60/x - Step 3: Cross multiply
87,827.96x = 121,202.62 × 47,541.60 - Step 4: Simplify right side
87,827.96x = 5,762,166,360.14 - Step 5: Solve for x
x = 5,762,166,360.14/87,827.96 - Step 6: Final answer
x = 65,607.42
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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.