Finding the Fourth Proportional to 88,402.37, 121,993.56 and 48,117.02
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Solution
The fourth proportional to 88,402.37, 121,993.56 and 48,117.02 is: 66,400.55
Step by Step Solution
- Step 1: Write the proportion equation
88,402.37 : 121,993.56 = 48,117.02 : x - Step 2: Convert to fraction form
88,402.37/121,993.56 = 48,117.02/x - Step 3: Cross multiply
88,402.37x = 121,993.56 × 48,117.02 - Step 4: Simplify right side
88,402.37x = 5,869,965,956.42 - Step 5: Solve for x
x = 5,869,965,956.42/88,402.37 - Step 6: Final answer
x = 66,400.55
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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.