Finding the Fourth Proportional to 75,159.36, 103,719.84 and 41,625.36
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Solution
The fourth proportional to 75,159.36, 103,719.84 and 41,625.36 is: 57,442.95
Step by Step Solution
- Step 1: Write the proportion equation
75,159.36 : 103,719.84 = 41,625.36 : x - Step 2: Convert to fraction form
75,159.36/103,719.84 = 41,625.36/x - Step 3: Cross multiply
75,159.36x = 103,719.84 × 41,625.36 - Step 4: Simplify right side
75,159.36x = 4,317,375,679.14 - Step 5: Solve for x
x = 4,317,375,679.14/75,159.36 - Step 6: Final answer
x = 57,442.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.