Finding the Fourth Proportional to 77,334.60, 115,987.26 and 27,412.68
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Solution
The fourth proportional to 77,334.60, 115,987.26 and 27,412.68 is: 41,113.83
Step by Step Solution
- Step 1: Write the proportion equation
77,334.60 : 115,987.26 = 27,412.68 : x - Step 2: Convert to fraction form
77,334.60/115,987.26 = 27,412.68/x - Step 3: Cross multiply
77,334.60x = 115,987.26 × 27,412.68 - Step 4: Simplify right side
77,334.60x = 3,179,521,642.46 - Step 5: Solve for x
x = 3,179,521,642.46/77,334.60 - Step 6: Final answer
x = 41,113.83
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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.