Finding the Fourth Proportional to 77,093.48, 106,387.62 and 43,558.76
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Solution
The fourth proportional to 77,093.48, 106,387.62 and 43,558.76 is: 60,110.31
Step by Step Solution
- Step 1: Write the proportion equation
77,093.48 : 106,387.62 = 43,558.76 : x - Step 2: Convert to fraction form
77,093.48/106,387.62 = 43,558.76/x - Step 3: Cross multiply
77,093.48x = 106,387.62 × 43,558.76 - Step 4: Simplify right side
77,093.48x = 4,634,112,806.55 - Step 5: Solve for x
x = 4,634,112,806.55/77,093.48 - Step 6: Final answer
x = 60,110.31
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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.