Finding the Fourth Proportional to 88,791.23, 122,530.35 and 48,503.95
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Solution
The fourth proportional to 88,791.23, 122,530.35 and 48,503.95 is: 66,934.61
Step by Step Solution
- Step 1: Write the proportion equation
88,791.23 : 122,530.35 = 48,503.95 : x - Step 2: Convert to fraction form
88,791.23/122,530.35 = 48,503.95/x - Step 3: Cross multiply
88,791.23x = 122,530.35 × 48,503.95 - Step 4: Simplify right side
88,791.23x = 5,943,205,727.36 - Step 5: Solve for x
x = 5,943,205,727.36/88,791.23 - Step 6: Final answer
x = 66,934.61
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1.5x scale
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.