Finding the Fourth Proportional to 75,618.22, 104,359.17 and 43,787.68
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Solution
The fourth proportional to 75,618.22, 104,359.17 and 43,787.68 is: 60,430.49
Step by Step Solution
- Step 1: Write the proportion equation
75,618.22 : 104,359.17 = 43,787.68 : x - Step 2: Convert to fraction form
75,618.22/104,359.17 = 43,787.68/x - Step 3: Cross multiply
75,618.22x = 104,359.17 × 43,787.68 - Step 4: Simplify right side
75,618.22x = 4,569,645,941.03 - Step 5: Solve for x
x = 4,569,645,941.03/75,618.22 - Step 6: Final answer
x = 60,430.49
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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.