Finding the Fourth Proportional to 73,686.64, 110,449.98 and 48,375.53
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Solution
The fourth proportional to 73,686.64, 110,449.98 and 48,375.53 is: 72,510.79
Step by Step Solution
- Step 1: Write the proportion equation
73,686.64 : 110,449.98 = 48,375.53 : x - Step 2: Convert to fraction form
73,686.64/110,449.98 = 48,375.53/x - Step 3: Cross multiply
73,686.64x = 110,449.98 × 48,375.53 - Step 4: Simplify right side
73,686.64x = 5,343,076,182.93 - Step 5: Solve for x
x = 5,343,076,182.93/73,686.64 - Step 6: Final answer
x = 72,510.79
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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.