Finding the Fourth Proportional to 88,974.58, 122,772.80 and 53,157.02
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Solution
The fourth proportional to 88,974.58, 122,772.80 and 53,157.02 is: 73,349.45
Step by Step Solution
- Step 1: Write the proportion equation
88,974.58 : 122,772.80 = 53,157.02 : x - Step 2: Convert to fraction form
88,974.58/122,772.80 = 53,157.02/x - Step 3: Cross multiply
88,974.58x = 122,772.80 × 53,157.02 - Step 4: Simplify right side
88,974.58x = 6,526,236,185.06 - Step 5: Solve for x
x = 6,526,236,185.06/88,974.58 - Step 6: Final answer
x = 73,349.45
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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.