Finding the Fourth Proportional to 87,893.79, 121,272.44 and 52,077.62
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Solution
The fourth proportional to 87,893.79, 121,272.44 and 52,077.62 is: 71,854.67
Step by Step Solution
- Step 1: Write the proportion equation
87,893.79 : 121,272.44 = 52,077.62 : x - Step 2: Convert to fraction form
87,893.79/121,272.44 = 52,077.62/x - Step 3: Cross multiply
87,893.79x = 121,272.44 × 52,077.62 - Step 4: Simplify right side
87,893.79x = 6,315,579,180.04 - Step 5: Solve for x
x = 6,315,579,180.04/87,893.79 - Step 6: Final answer
x = 71,854.67
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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.