Finding the Fourth Proportional to 88,555.68, 122,206.84 and 48,811.68
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Solution
The fourth proportional to 88,555.68, 122,206.84 and 48,811.68 is: 67,360.12
Step by Step Solution
- Step 1: Write the proportion equation
88,555.68 : 122,206.84 = 48,811.68 : x - Step 2: Convert to fraction form
88,555.68/122,206.84 = 48,811.68/x - Step 3: Cross multiply
88,555.68x = 122,206.84 × 48,811.68 - Step 4: Simplify right side
88,555.68x = 5,965,121,167.89 - Step 5: Solve for x
x = 5,965,121,167.89/88,555.68 - Step 6: Final answer
x = 67,360.12
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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.