Finding the Fourth Proportional to 75,151.49, 103,708.89 and 41,159.99
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Solution
The fourth proportional to 75,151.49, 103,708.89 and 41,159.99 is: 56,800.70
Step by Step Solution
- Step 1: Write the proportion equation
75,151.49 : 103,708.89 = 41,159.99 : x - Step 2: Convert to fraction form
75,151.49/103,708.89 = 41,159.99/x - Step 3: Cross multiply
75,151.49x = 103,708.89 × 41,159.99 - Step 4: Simplify right side
75,151.49x = 4,268,656,875.31 - Step 5: Solve for x
x = 4,268,656,875.31/75,151.49 - Step 6: Final answer
x = 56,800.70
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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.