Finding the Fourth Proportional to 77,885.12, 107,444 and 51,016
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Solution
The fourth proportional to 77,885.12, 107,444 and 51,016 is: 70,377.54
Step by Step Solution
- Step 1: Write the proportion equation
77,885.12 : 107,444 = 51,016 : x - Step 2: Convert to fraction form
77,885.12/107,444 = 51,016/x - Step 3: Cross multiply
77,885.12x = 107,444 × 51,016 - Step 4: Simplify right side
77,885.12x = 5,481,363,104 - Step 5: Solve for x
x = 5,481,363,104/77,885.12 - Step 6: Final answer
x = 70,377.54
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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.