Finding the Fourth Proportional to 75,726.18, 104,502.56 and 43,913.97
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Solution
The fourth proportional to 75,726.18, 104,502.56 and 43,913.97 is: 60,601.53
Step by Step Solution
- Step 1: Write the proportion equation
75,726.18 : 104,502.56 = 43,913.97 : x - Step 2: Convert to fraction form
75,726.18/104,502.56 = 43,913.97/x - Step 3: Cross multiply
75,726.18x = 104,502.56 × 43,913.97 - Step 4: Simplify right side
75,726.18x = 4,589,122,065.19 - Step 5: Solve for x
x = 4,589,122,065.19/75,726.18 - Step 6: Final answer
x = 60,601.53
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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.