Finding the Fourth Proportional to 85,382.57, 117,829.80 and 47,141.99
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Solution
The fourth proportional to 85,382.57, 117,829.80 and 47,141.99 is: 65,056.97
Step by Step Solution
- Step 1: Write the proportion equation
85,382.57 : 117,829.80 = 47,141.99 : x - Step 2: Convert to fraction form
85,382.57/117,829.80 = 47,141.99/x - Step 3: Cross multiply
85,382.57x = 117,829.80 × 47,141.99 - Step 4: Simplify right side
85,382.57x = 5,554,731,253.30 - Step 5: Solve for x
x = 5,554,731,253.30/85,382.57 - Step 6: Final answer
x = 65,056.97
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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.