Finding the Fourth Proportional to 77,768.07, 107,320.10 and 44,234.07
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Solution
The fourth proportional to 77,768.07, 107,320.10 and 44,234.07 is: 61,043.11
Step by Step Solution
- Step 1: Write the proportion equation
77,768.07 : 107,320.10 = 44,234.07 : x - Step 2: Convert to fraction form
77,768.07/107,320.10 = 44,234.07/x - Step 3: Cross multiply
77,768.07x = 107,320.10 × 44,234.07 - Step 4: Simplify right side
77,768.07x = 4,747,204,594.64 - Step 5: Solve for x
x = 4,747,204,594.64/77,768.07 - Step 6: Final answer
x = 61,043.11
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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.