Finding the Fourth Proportional to 85,460.31, 117,937.76 and 47,733.75
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Solution
The fourth proportional to 85,460.31, 117,937.76 and 47,733.75 is: 65,873.99
Step by Step Solution
- Step 1: Write the proportion equation
85,460.31 : 117,937.76 = 47,733.75 : x - Step 2: Convert to fraction form
85,460.31/117,937.76 = 47,733.75/x - Step 3: Cross multiply
85,460.31x = 117,937.76 × 47,733.75 - Step 4: Simplify right side
85,460.31x = 5,629,611,312.73 - Step 5: Solve for x
x = 5,629,611,312.73/85,460.31 - Step 6: Final answer
x = 65,873.99
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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.