Finding the Fourth Proportional to 83,832.04, 115,688.99 and 45,591.95
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Solution
The fourth proportional to 83,832.04, 115,688.99 and 45,591.95 is: 62,917.31
Step by Step Solution
- Step 1: Write the proportion equation
83,832.04 : 115,688.99 = 45,591.95 : x - Step 2: Convert to fraction form
83,832.04/115,688.99 = 45,591.95/x - Step 3: Cross multiply
83,832.04x = 115,688.99 × 45,591.95 - Step 4: Simplify right side
83,832.04x = 5,274,486,647.63 - Step 5: Solve for x
x = 5,274,486,647.63/83,832.04 - Step 6: Final answer
x = 62,917.31
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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.