Finding the Fourth Proportional to 73,967.84, 102,075.48 and 40,433.84
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Solution
The fourth proportional to 73,967.84, 102,075.48 and 40,433.84 is: 55,798.62
Step by Step Solution
- Step 1: Write the proportion equation
73,967.84 : 102,075.48 = 40,433.84 : x - Step 2: Convert to fraction form
73,967.84/102,075.48 = 40,433.84/x - Step 3: Cross multiply
73,967.84x = 102,075.48 × 40,433.84 - Step 4: Simplify right side
73,967.84x = 4,127,303,626.24 - Step 5: Solve for x
x = 4,127,303,626.24/73,967.84 - Step 6: Final answer
x = 55,798.62
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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.