Finding the Fourth Proportional to 77,024.30, 115,536.45 and 27,160.70
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Solution
The fourth proportional to 77,024.30, 115,536.45 and 27,160.70 is: 40,741.05
Step by Step Solution
- Step 1: Write the proportion equation
77,024.30 : 115,536.45 = 27,160.70 : x - Step 2: Convert to fraction form
77,024.30/115,536.45 = 27,160.70/x - Step 3: Cross multiply
77,024.30x = 115,536.45 × 27,160.70 - Step 4: Simplify right side
77,024.30x = 3,138,050,857.52 - Step 5: Solve for x
x = 3,138,050,857.52/77,024.30 - Step 6: Final answer
x = 40,741.05
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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.