Finding the Fourth Proportional to 77,133.04, 115,751.21 and 27,213.26
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Solution
The fourth proportional to 77,133.04, 115,751.21 and 27,213.26 is: 40,838.10
Step by Step Solution
- Step 1: Write the proportion equation
77,133.04 : 115,751.21 = 27,213.26 : x - Step 2: Convert to fraction form
77,133.04/115,751.21 = 27,213.26/x - Step 3: Cross multiply
77,133.04x = 115,751.21 × 27,213.26 - Step 4: Simplify right side
77,133.04x = 3,149,967,058.22 - Step 5: Solve for x
x = 3,149,967,058.22/77,133.04 - Step 6: Final answer
x = 40,838.10
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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.