Finding the Fourth Proportional to 98,141.63, 135,435.44 and 53,429.63
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Solution
The fourth proportional to 98,141.63, 135,435.44 and 53,429.63 is: 73,732.88
Step by Step Solution
- Step 1: Write the proportion equation
98,141.63 : 135,435.44 = 53,429.63 : x - Step 2: Convert to fraction form
98,141.63/135,435.44 = 53,429.63/x - Step 3: Cross multiply
98,141.63x = 135,435.44 × 53,429.63 - Step 4: Simplify right side
98,141.63x = 7,236,264,904.48 - Step 5: Solve for x
x = 7,236,264,904.48/98,141.63 - Step 6: Final answer
x = 73,732.88
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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.