Finding the Fourth Proportional to 73,670.53, 110,583.09 and 65,290.65
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Solution
The fourth proportional to 73,670.53, 110,583.09 and 65,290.65 is: 98,004.48
Step by Step Solution
- Step 1: Write the proportion equation
73,670.53 : 110,583.09 = 65,290.65 : x - Step 2: Convert to fraction form
73,670.53/110,583.09 = 65,290.65/x - Step 3: Cross multiply
73,670.53x = 110,583.09 × 65,290.65 - Step 4: Simplify right side
73,670.53x = 7,220,041,825.11 - Step 5: Solve for x
x = 7,220,041,825.11/73,670.53 - Step 6: Final answer
x = 98,004.48
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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.