Finding the Fourth Proportional to 77,252.21, 115,921.37 and 41,712.77
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Solution
The fourth proportional to 77,252.21, 115,921.37 and 41,712.77 is: 62,592.41
Step by Step Solution
- Step 1: Write the proportion equation
77,252.21 : 115,921.37 = 41,712.77 : x - Step 2: Convert to fraction form
77,252.21/115,921.37 = 41,712.77/x - Step 3: Cross multiply
77,252.21x = 115,921.37 × 41,712.77 - Step 4: Simplify right side
77,252.21x = 4,835,401,526.13 - Step 5: Solve for x
x = 4,835,401,526.13/77,252.21 - Step 6: Final answer
x = 62,592.41
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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.