Finding the Fourth Proportional to 73,694.80, 101,618.51 and 49,779.96
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Solution
The fourth proportional to 73,694.80, 101,618.51 and 49,779.96 is: 68,642.09
Step by Step Solution
- Step 1: Write the proportion equation
73,694.80 : 101,618.51 = 49,779.96 : x - Step 2: Convert to fraction form
73,694.80/101,618.51 = 49,779.96/x - Step 3: Cross multiply
73,694.80x = 101,618.51 × 49,779.96 - Step 4: Simplify right side
73,694.80x = 5,058,565,363.06 - Step 5: Solve for x
x = 5,058,565,363.06/73,694.80 - Step 6: Final answer
x = 68,642.09
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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.