Finding the Fourth Proportional to 107,563.97, 148,420.81 and 59,816.09
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Solution
The fourth proportional to 107,563.97, 148,420.81 and 59,816.09 is: 82,536.49
Step by Step Solution
- Step 1: Write the proportion equation
107,563.97 : 148,420.81 = 59,816.09 : x - Step 2: Convert to fraction form
107,563.97/148,420.81 = 59,816.09/x - Step 3: Cross multiply
107,563.97x = 148,420.81 × 59,816.09 - Step 4: Simplify right side
107,563.97x = 8,877,952,528.83 - Step 5: Solve for x
x = 8,877,952,528.83/107,563.97 - Step 6: Final answer
x = 82,536.49
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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.