Finding the Fourth Proportional to 88,459.26, 122,070.96 and 52,641.06
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Solution
The fourth proportional to 88,459.26, 122,070.96 and 52,641.06 is: 72,642.99
Step by Step Solution
- Step 1: Write the proportion equation
88,459.26 : 122,070.96 = 52,641.06 : x - Step 2: Convert to fraction form
88,459.26/122,070.96 = 52,641.06/x - Step 3: Cross multiply
88,459.26x = 122,070.96 × 52,641.06 - Step 4: Simplify right side
88,459.26x = 6,425,944,729.62 - Step 5: Solve for x
x = 6,425,944,729.62/88,459.26 - Step 6: Final answer
x = 72,642.99
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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.