Finding the Fourth Proportional to 81,853.01, 112,955.99 and 46,043.01
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Solution
The fourth proportional to 81,853.01, 112,955.99 and 46,043.01 is: 63,538.70
Step by Step Solution
- Step 1: Write the proportion equation
81,853.01 : 112,955.99 = 46,043.01 : x - Step 2: Convert to fraction form
81,853.01/112,955.99 = 46,043.01/x - Step 3: Cross multiply
81,853.01x = 112,955.99 × 46,043.01 - Step 4: Simplify right side
81,853.01x = 5,200,833,777.13 - Step 5: Solve for x
x = 5,200,833,777.13/81,853.01 - Step 6: Final answer
x = 63,538.70
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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.