Finding the Fourth Proportional to 85,296.84, 127,778.94 and 51,934.14
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Solution
The fourth proportional to 85,296.84, 127,778.94 and 51,934.14 is: 77,799.94
Step by Step Solution
- Step 1: Write the proportion equation
85,296.84 : 127,778.94 = 51,934.14 : x - Step 2: Convert to fraction form
85,296.84/127,778.94 = 51,934.14/x - Step 3: Cross multiply
85,296.84x = 127,778.94 × 51,934.14 - Step 4: Simplify right side
85,296.84x = 6,636,089,359.01 - Step 5: Solve for x
x = 6,636,089,359.01/85,296.84 - Step 6: Final answer
x = 77,799.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.