Finding the Fourth Proportional to 75,766.41, 104,580.59 and 43,943.13
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Solution
The fourth proportional to 75,766.41, 104,580.59 and 43,943.13 is: 60,654.82
Step by Step Solution
- Step 1: Write the proportion equation
75,766.41 : 104,580.59 = 43,943.13 : x - Step 2: Convert to fraction form
75,766.41/104,580.59 = 43,943.13/x - Step 3: Cross multiply
75,766.41x = 104,580.59 × 43,943.13 - Step 4: Simplify right side
75,766.41x = 4,595,598,242.13 - Step 5: Solve for x
x = 4,595,598,242.13/75,766.41 - Step 6: Final answer
x = 60,654.82
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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.