Finding the Fourth Proportional to 88,168.37, 121,709.60 and 59,526.84
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Solution
The fourth proportional to 88,168.37, 121,709.60 and 59,526.84 is: 82,172.19
Step by Step Solution
- Step 1: Write the proportion equation
88,168.37 : 121,709.60 = 59,526.84 : x - Step 2: Convert to fraction form
88,168.37/121,709.60 = 59,526.84/x - Step 3: Cross multiply
88,168.37x = 121,709.60 × 59,526.84 - Step 4: Simplify right side
88,168.37x = 7,244,987,588.03 - Step 5: Solve for x
x = 7,244,987,588.03/88,168.37 - Step 6: Final answer
x = 82,172.19
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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.