Finding the Fourth Proportional to 88,813.80, 122,559.39 and 48,528.95
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Solution
The fourth proportional to 88,813.80, 122,559.39 and 48,528.95 is: 66,967.95
Step by Step Solution
- Step 1: Write the proportion equation
88,813.80 : 122,559.39 = 48,528.95 : x - Step 2: Convert to fraction form
88,813.80/122,559.39 = 48,528.95/x - Step 3: Cross multiply
88,813.80x = 122,559.39 × 48,528.95 - Step 4: Simplify right side
88,813.80x = 5,947,677,896.54 - Step 5: Solve for x
x = 5,947,677,896.54/88,813.80 - Step 6: Final answer
x = 66,967.95
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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.