Finding the Fourth Proportional to 87,883.15, 121,278.04 and 47,595.98
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Solution
The fourth proportional to 87,883.15, 121,278.04 and 47,595.98 is: 65,682.07
Step by Step Solution
- Step 1: Write the proportion equation
87,883.15 : 121,278.04 = 47,595.98 : x - Step 2: Convert to fraction form
87,883.15/121,278.04 = 47,595.98/x - Step 3: Cross multiply
87,883.15x = 121,278.04 × 47,595.98 - Step 4: Simplify right side
87,883.15x = 5,772,347,166.28 - Step 5: Solve for x
x = 5,772,347,166.28/87,883.15 - Step 6: Final answer
x = 65,682.07
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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.