Finding the Fourth Proportional to 73,511.63, 101,446.04 and 39,977.63
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Solution
The fourth proportional to 73,511.63, 101,446.04 and 39,977.63 is: 55,169.12
Step by Step Solution
- Step 1: Write the proportion equation
73,511.63 : 101,446.04 = 39,977.63 : x - Step 2: Convert to fraction form
73,511.63/101,446.04 = 39,977.63/x - Step 3: Cross multiply
73,511.63x = 101,446.04 × 39,977.63 - Step 4: Simplify right side
73,511.63x = 4,055,571,844.80 - Step 5: Solve for x
x = 4,055,571,844.80/73,511.63 - Step 6: Final answer
x = 55,169.12
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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.