Finding the Fourth Proportional to 75,326.08, 103,951.20 and 43,497.76
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Solution
The fourth proportional to 75,326.08, 103,951.20 and 43,497.76 is: 60,027.61
Step by Step Solution
- Step 1: Write the proportion equation
75,326.08 : 103,951.20 = 43,497.76 : x - Step 2: Convert to fraction form
75,326.08/103,951.20 = 43,497.76/x - Step 3: Cross multiply
75,326.08x = 103,951.20 × 43,497.76 - Step 4: Simplify right side
75,326.08x = 4,521,644,349.31 - Step 5: Solve for x
x = 4,521,644,349.31/75,326.08 - Step 6: Final answer
x = 60,027.61
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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.