Finding the Fourth Proportional to 88,990.58, 122,794.88 and 53,173.02
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Solution
The fourth proportional to 88,990.58, 122,794.88 and 53,173.02 is: 73,371.53
Step by Step Solution
- Step 1: Write the proportion equation
88,990.58 : 122,794.88 = 53,173.02 : x - Step 2: Convert to fraction form
88,990.58/122,794.88 = 53,173.02/x - Step 3: Cross multiply
88,990.58x = 122,794.88 × 53,173.02 - Step 4: Simplify right side
88,990.58x = 6,529,374,610.14 - Step 5: Solve for x
x = 6,529,374,610.14/88,990.58 - Step 6: Final answer
x = 73,371.53
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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.