Finding the Fourth Proportional to 77,902.74, 107,527.80 and 46,082.70
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Solution
The fourth proportional to 77,902.74, 107,527.80 and 46,082.70 is: 63,607.15
Step by Step Solution
- Step 1: Write the proportion equation
77,902.74 : 107,527.80 = 46,082.70 : x - Step 2: Convert to fraction form
77,902.74/107,527.80 = 46,082.70/x - Step 3: Cross multiply
77,902.74x = 107,527.80 × 46,082.70 - Step 4: Simplify right side
77,902.74x = 4,955,171,349.06 - Step 5: Solve for x
x = 4,955,171,349.06/77,902.74 - Step 6: Final answer
x = 63,607.15
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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.