Finding the Fourth Proportional to 88,821.18, 122,574.60 and 53,032.14
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Solution
The fourth proportional to 88,821.18, 122,574.60 and 53,032.14 is: 73,185.17
Step by Step Solution
- Step 1: Write the proportion equation
88,821.18 : 122,574.60 = 53,032.14 : x - Step 2: Convert to fraction form
88,821.18/122,574.60 = 53,032.14/x - Step 3: Cross multiply
88,821.18x = 122,574.60 × 53,032.14 - Step 4: Simplify right side
88,821.18x = 6,500,393,347.64 - Step 5: Solve for x
x = 6,500,393,347.64/88,821.18 - Step 6: Final answer
x = 73,185.17
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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.