Finding the Fourth Proportional to 88,183.94, 121,695.16 and 47,898.49
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Solution
The fourth proportional to 88,183.94, 121,695.16 and 47,898.49 is: 66,100.63
Step by Step Solution
- Step 1: Write the proportion equation
88,183.94 : 121,695.16 = 47,898.49 : x - Step 2: Convert to fraction form
88,183.94/121,695.16 = 47,898.49/x - Step 3: Cross multiply
88,183.94x = 121,695.16 × 47,898.49 - Step 4: Simplify right side
88,183.94x = 5,829,014,298.31 - Step 5: Solve for x
x = 5,829,014,298.31/88,183.94 - Step 6: Final answer
x = 66,100.63
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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.