Finding the Fourth Proportional to 75,963.14, 104,826.94 and 41,970.96
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Solution
The fourth proportional to 75,963.14, 104,826.94 and 41,970.96 is: 57,918.71
Step by Step Solution
- Step 1: Write the proportion equation
75,963.14 : 104,826.94 = 41,970.96 : x - Step 2: Convert to fraction form
75,963.14/104,826.94 = 41,970.96/x - Step 3: Cross multiply
75,963.14x = 104,826.94 × 41,970.96 - Step 4: Simplify right side
75,963.14x = 4,399,687,305.66 - Step 5: Solve for x
x = 4,399,687,305.66/75,963.14 - Step 6: Final answer
x = 57,918.71
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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.