Finding the Fourth Proportional to 86,031.53, 118,702.73 and 50,201.09
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Solution
The fourth proportional to 86,031.53, 118,702.73 and 50,201.09 is: 69,265.38
Step by Step Solution
- Step 1: Write the proportion equation
86,031.53 : 118,702.73 = 50,201.09 : x - Step 2: Convert to fraction form
86,031.53/118,702.73 = 50,201.09/x - Step 3: Cross multiply
86,031.53x = 118,702.73 × 50,201.09 - Step 4: Simplify right side
86,031.53x = 5,959,005,963.96 - Step 5: Solve for x
x = 5,959,005,963.96/86,031.53 - Step 6: Final answer
x = 69,265.38
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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.