Finding the Fourth Proportional to 75,978.74, 104,827.65 and 44,141.42
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Solution
The fourth proportional to 75,978.74, 104,827.65 and 44,141.42 is: 60,901.79
Step by Step Solution
- Step 1: Write the proportion equation
75,978.74 : 104,827.65 = 44,141.42 : x - Step 2: Convert to fraction form
75,978.74/104,827.65 = 44,141.42/x - Step 3: Cross multiply
75,978.74x = 104,827.65 × 44,141.42 - Step 4: Simplify right side
75,978.74x = 4,627,241,326.26 - Step 5: Solve for x
x = 4,627,241,326.26/75,978.74 - Step 6: Final answer
x = 60,901.79
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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.