Finding the Fourth Proportional to 75,260.23, 103,860.29 and 41,271.82
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Solution
The fourth proportional to 75,260.23, 103,860.29 and 41,271.82 is: 56,955.75
Step by Step Solution
- Step 1: Write the proportion equation
75,260.23 : 103,860.29 = 41,271.82 : x - Step 2: Convert to fraction form
75,260.23/103,860.29 = 41,271.82/x - Step 3: Cross multiply
75,260.23x = 103,860.29 × 41,271.82 - Step 4: Simplify right side
75,260.23x = 4,286,503,194.03 - Step 5: Solve for x
x = 4,286,503,194.03/75,260.23 - Step 6: Final answer
x = 56,955.75
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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.