Finding the Fourth Proportional to 75,245.24, 103,838.82 and 43,415.48
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Solution
The fourth proportional to 75,245.24, 103,838.82 and 43,415.48 is: 59,913.59
Step by Step Solution
- Step 1: Write the proportion equation
75,245.24 : 103,838.82 = 43,415.48 : x - Step 2: Convert to fraction form
75,245.24/103,838.82 = 43,415.48/x - Step 3: Cross multiply
75,245.24x = 103,838.82 × 43,415.48 - Step 4: Simplify right side
75,245.24x = 4,508,212,212.93 - Step 5: Solve for x
x = 4,508,212,212.93/75,245.24 - Step 6: Final answer
x = 59,913.59
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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.