Finding the Fourth Proportional to 75,725.31, 104,496.24 and 41,731.91
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Solution
The fourth proportional to 75,725.31, 104,496.24 and 41,731.91 is: 57,587.45
Step by Step Solution
- Step 1: Write the proportion equation
75,725.31 : 104,496.24 = 41,731.91 : x - Step 2: Convert to fraction form
75,725.31/104,496.24 = 41,731.91/x - Step 3: Cross multiply
75,725.31x = 104,496.24 × 41,731.91 - Step 4: Simplify right side
75,725.31x = 4,360,827,708.89 - Step 5: Solve for x
x = 4,360,827,708.89/75,725.31 - Step 6: Final answer
x = 57,587.45
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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.