Finding the Fourth Proportional to 88,908.80, 122,697.45 and 48,620.18
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Solution
The fourth proportional to 88,908.80, 122,697.45 and 48,620.18 is: 67,097.66
Step by Step Solution
- Step 1: Write the proportion equation
88,908.80 : 122,697.45 = 48,620.18 : x - Step 2: Convert to fraction form
88,908.80/122,697.45 = 48,620.18/x - Step 3: Cross multiply
88,908.80x = 122,697.45 × 48,620.18 - Step 4: Simplify right side
88,908.80x = 5,965,572,104.54 - Step 5: Solve for x
x = 5,965,572,104.54/88,908.80 - Step 6: Final answer
x = 67,097.66
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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.