Finding the Fourth Proportional to 75,776.31, 104,572.03 and 41,785.99
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Solution
The fourth proportional to 75,776.31, 104,572.03 and 41,785.99 is: 57,665.07
Step by Step Solution
- Step 1: Write the proportion equation
75,776.31 : 104,572.03 = 41,785.99 : x - Step 2: Convert to fraction form
75,776.31/104,572.03 = 41,785.99/x - Step 3: Cross multiply
75,776.31x = 104,572.03 × 41,785.99 - Step 4: Simplify right side
75,776.31x = 4,369,646,100.53 - Step 5: Solve for x
x = 4,369,646,100.53/75,776.31 - Step 6: Final answer
x = 57,665.07
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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.