Finding the Fourth Proportional to 68,062.64, 101,703.48 and 51,963.08
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Solution
The fourth proportional to 68,062.64, 101,703.48 and 51,963.08 is: 77,646.50
Step by Step Solution
- Step 1: Write the proportion equation
68,062.64 : 101,703.48 = 51,963.08 : x - Step 2: Convert to fraction form
68,062.64/101,703.48 = 51,963.08/x - Step 3: Cross multiply
68,062.64x = 101,703.48 × 51,963.08 - Step 4: Simplify right side
68,062.64x = 5,284,826,067.52 - Step 5: Solve for x
x = 5,284,826,067.52/68,062.64 - Step 6: Final answer
x = 77,646.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.