Finding the Fourth Proportional to 73,649.68, 101,515.32 and 52,111.99
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Solution
The fourth proportional to 73,649.68, 101,515.32 and 52,111.99 is: 71,828.76
Step by Step Solution
- Step 1: Write the proportion equation
73,649.68 : 101,515.32 = 52,111.99 : x - Step 2: Convert to fraction form
73,649.68/101,515.32 = 52,111.99/x - Step 3: Cross multiply
73,649.68x = 101,515.32 × 52,111.99 - Step 4: Simplify right side
73,649.68x = 5,290,165,340.69 - Step 5: Solve for x
x = 5,290,165,340.69/73,649.68 - Step 6: Final answer
x = 71,828.76
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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.