Finding the Fourth Proportional to 107,825.18, 148,805.51 and 59,427.09
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Solution
The fourth proportional to 107,825.18, 148,805.51 and 59,427.09 is: 82,013.11
Step by Step Solution
- Step 1: Write the proportion equation
107,825.18 : 148,805.51 = 59,427.09 : x - Step 2: Convert to fraction form
107,825.18/148,805.51 = 59,427.09/x - Step 3: Cross multiply
107,825.18x = 148,805.51 × 59,427.09 - Step 4: Simplify right side
107,825.18x = 8,843,078,138.13 - Step 5: Solve for x
x = 8,843,078,138.13/107,825.18 - Step 6: Final answer
x = 82,013.11
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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.