Finding the Fourth Proportional to 88,815.80, 122,562.14 and 48,530.94
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Solution
The fourth proportional to 88,815.80, 122,562.14 and 48,530.94 is: 66,970.70
Step by Step Solution
- Step 1: Write the proportion equation
88,815.80 : 122,562.14 = 48,530.94 : x - Step 2: Convert to fraction form
88,815.80/122,562.14 = 48,530.94/x - Step 3: Cross multiply
88,815.80x = 122,562.14 × 48,530.94 - Step 4: Simplify right side
88,815.80x = 5,948,055,862.61 - Step 5: Solve for x
x = 5,948,055,862.61/88,815.80 - Step 6: Final answer
x = 66,970.70
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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.