Finding the Fourth Proportional to 107,637.62, 148,523.11 and 62,306.75
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Solution
The fourth proportional to 107,637.62, 148,523.11 and 62,306.75 is: 85,973.59
Step by Step Solution
- Step 1: Write the proportion equation
107,637.62 : 148,523.11 = 62,306.75 : x - Step 2: Convert to fraction form
107,637.62/148,523.11 = 62,306.75/x - Step 3: Cross multiply
107,637.62x = 148,523.11 × 62,306.75 - Step 4: Simplify right side
107,637.62x = 9,253,992,499.53 - Step 5: Solve for x
x = 9,253,992,499.53/107,637.62 - Step 6: Final answer
x = 85,973.59
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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.