Finding the Fourth Proportional to 72,856.87, 100,552.06 and 41,031.99
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Solution
The fourth proportional to 72,856.87, 100,552.06 and 41,031.99 is: 56,629.54
Step by Step Solution
- Step 1: Write the proportion equation
72,856.87 : 100,552.06 = 41,031.99 : x - Step 2: Convert to fraction form
72,856.87/100,552.06 = 41,031.99/x - Step 3: Cross multiply
72,856.87x = 100,552.06 × 41,031.99 - Step 4: Simplify right side
72,856.87x = 4,125,851,120.40 - Step 5: Solve for x
x = 4,125,851,120.40/72,856.87 - Step 6: Final answer
x = 56,629.54
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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.