Finding the Fourth Proportional to 73,278.08, 101,124.84 and 39,744.08
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Solution
The fourth proportional to 73,278.08, 101,124.84 and 39,744.08 is: 54,847.42
Step by Step Solution
- Step 1: Write the proportion equation
73,278.08 : 101,124.84 = 39,744.08 : x - Step 2: Convert to fraction form
73,278.08/101,124.84 = 39,744.08/x - Step 3: Cross multiply
73,278.08x = 101,124.84 × 39,744.08 - Step 4: Simplify right side
73,278.08x = 4,019,113,730.95 - Step 5: Solve for x
x = 4,019,113,730.95/73,278.08 - Step 6: Final answer
x = 54,847.42
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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.