Finding the Fourth Proportional to 77,593.16, 107,074.49 and 43,602.99
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Solution
The fourth proportional to 77,593.16, 107,074.49 and 43,602.99 is: 60,169.84
Step by Step Solution
- Step 1: Write the proportion equation
77,593.16 : 107,074.49 = 43,602.99 : x - Step 2: Convert to fraction form
77,593.16/107,074.49 = 43,602.99/x - Step 3: Cross multiply
77,593.16x = 107,074.49 × 43,602.99 - Step 4: Simplify right side
77,593.16x = 4,668,767,698.71 - Step 5: Solve for x
x = 4,668,767,698.71/77,593.16 - Step 6: Final answer
x = 60,169.84
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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.