Finding the Fourth Proportional to 107,670.10, 148,589.60 and 62,350.06
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Solution
The fourth proportional to 107,670.10, 148,589.60 and 62,350.06 is: 86,045.90
Step by Step Solution
- Step 1: Write the proportion equation
107,670.10 : 148,589.60 = 62,350.06 : x - Step 2: Convert to fraction form
107,670.10/148,589.60 = 62,350.06/x - Step 3: Cross multiply
107,670.10x = 148,589.60 × 62,350.06 - Step 4: Simplify right side
107,670.10x = 9,264,570,475.38 - Step 5: Solve for x
x = 9,264,570,475.38/107,670.10 - Step 6: Final answer
x = 86,045.90
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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.