Finding the Fourth Proportional to 75,218.60, 112,884.80 and 27,862.53
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Solution
The fourth proportional to 75,218.60, 112,884.80 and 27,862.53 is: 41,814.87
Step by Step Solution
- Step 1: Write the proportion equation
75,218.60 : 112,884.80 = 27,862.53 : x - Step 2: Convert to fraction form
75,218.60/112,884.80 = 27,862.53/x - Step 3: Cross multiply
75,218.60x = 112,884.80 × 27,862.53 - Step 4: Simplify right side
75,218.60x = 3,145,255,987.23 - Step 5: Solve for x
x = 3,145,255,987.23/75,218.60 - Step 6: Final answer
x = 41,814.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.