Finding the Fourth Proportional to 81,857.68, 112,955.68 and 46,060.08
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Solution
The fourth proportional to 81,857.68, 112,955.68 and 46,060.08 is: 63,558.45
Step by Step Solution
- Step 1: Write the proportion equation
81,857.68 : 112,955.68 = 46,060.08 : x - Step 2: Convert to fraction form
81,857.68/112,955.68 = 46,060.08/x - Step 3: Cross multiply
81,857.68x = 112,955.68 × 46,060.08 - Step 4: Simplify right side
81,857.68x = 5,202,747,657.25 - Step 5: Solve for x
x = 5,202,747,657.25/81,857.68 - Step 6: Final answer
x = 63,558.45
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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.