Finding the Fourth Proportional to 75,634.31, 104,407.65 and 53,844.65
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Solution
The fourth proportional to 75,634.31, 104,407.65 and 53,844.65 is: 74,328.62
Step by Step Solution
- Step 1: Write the proportion equation
75,634.31 : 104,407.65 = 53,844.65 : x - Step 2: Convert to fraction form
75,634.31/104,407.65 = 53,844.65/x - Step 3: Cross multiply
75,634.31x = 104,407.65 × 53,844.65 - Step 4: Simplify right side
75,634.31x = 5,621,793,632.59 - Step 5: Solve for x
x = 5,621,793,632.59/75,634.31 - Step 6: Final answer
x = 74,328.62
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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.