Finding the Fourth Proportional to 97,042.64, 145,563.14 and 26,921.94
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Solution
The fourth proportional to 97,042.64, 145,563.14 and 26,921.94 is: 40,382.68
Step by Step Solution
- Step 1: Write the proportion equation
97,042.64 : 145,563.14 = 26,921.94 : x - Step 2: Convert to fraction form
97,042.64/145,563.14 = 26,921.94/x - Step 3: Cross multiply
97,042.64x = 145,563.14 × 26,921.94 - Step 4: Simplify right side
97,042.64x = 3,918,842,121.29 - Step 5: Solve for x
x = 3,918,842,121.29/97,042.64 - Step 6: Final answer
x = 40,382.68
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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.