Finding the Fourth Proportional to 101,639.97, 140,259.36 and 58,621.26
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Solution
The fourth proportional to 101,639.97, 140,259.36 and 58,621.26 is: 80,895.15
Step by Step Solution
- Step 1: Write the proportion equation
101,639.97 : 140,259.36 = 58,621.26 : x - Step 2: Convert to fraction form
101,639.97/140,259.36 = 58,621.26/x - Step 3: Cross multiply
101,639.97x = 140,259.36 × 58,621.26 - Step 4: Simplify right side
101,639.97x = 8,222,180,409.99 - Step 5: Solve for x
x = 8,222,180,409.99/101,639.97 - Step 6: Final answer
x = 80,895.15
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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.