Finding the Fourth Proportional to 77,578.75, 107,058.68 and 44,044.75
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Solution
The fourth proportional to 77,578.75, 107,058.68 and 44,044.75 is: 60,781.76
Step by Step Solution
- Step 1: Write the proportion equation
77,578.75 : 107,058.68 = 44,044.75 : x - Step 2: Convert to fraction form
77,578.75/107,058.68 = 44,044.75/x - Step 3: Cross multiply
77,578.75x = 107,058.68 × 44,044.75 - Step 4: Simplify right side
77,578.75x = 4,715,372,795.93 - Step 5: Solve for x
x = 4,715,372,795.93/77,578.75 - Step 6: Final answer
x = 60,781.76
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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.