Finding the Fourth Proportional to 73,362.55, 110,075.41 and 39,621.79
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Solution
The fourth proportional to 73,362.55, 110,075.41 and 39,621.79 is: 59,449.75
Step by Step Solution
- Step 1: Write the proportion equation
73,362.55 : 110,075.41 = 39,621.79 : x - Step 2: Convert to fraction form
73,362.55/110,075.41 = 39,621.79/x - Step 3: Cross multiply
73,362.55x = 110,075.41 × 39,621.79 - Step 4: Simplify right side
73,362.55x = 4,361,384,955.32 - Step 5: Solve for x
x = 4,361,384,955.32/73,362.55 - Step 6: Final answer
x = 59,449.75
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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.