Finding the Fourth Proportional to 84,927.79, 117,201.83 and 46,688.95
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Solution
The fourth proportional to 84,927.79, 117,201.83 and 46,688.95 is: 64,431.56
Step by Step Solution
- Step 1: Write the proportion equation
84,927.79 : 117,201.83 = 46,688.95 : x - Step 2: Convert to fraction form
84,927.79/117,201.83 = 46,688.95/x - Step 3: Cross multiply
84,927.79x = 117,201.83 × 46,688.95 - Step 4: Simplify right side
84,927.79x = 5,472,030,380.78 - Step 5: Solve for x
x = 5,472,030,380.78/84,927.79 - Step 6: Final answer
x = 64,431.56
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1.5x scale
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.