Finding the Fourth Proportional to 73,649.94, 110,371.95 and 39,842.99
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Solution
The fourth proportional to 73,649.94, 110,371.95 and 39,842.99 is: 59,708.78
Step by Step Solution
- Step 1: Write the proportion equation
73,649.94 : 110,371.95 = 39,842.99 : x - Step 2: Convert to fraction form
73,649.94/110,371.95 = 39,842.99/x - Step 3: Cross multiply
73,649.94x = 110,371.95 × 39,842.99 - Step 4: Simplify right side
73,649.94x = 4,397,547,948.27 - Step 5: Solve for x
x = 4,397,547,948.27/73,649.94 - Step 6: Final answer
x = 59,708.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.