Finding the Fourth Proportional to 96,973.68, 133,824.48 and 54,531.84
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Solution
The fourth proportional to 96,973.68, 133,824.48 and 54,531.84 is: 75,254.39
Step by Step Solution
- Step 1: Write the proportion equation
96,973.68 : 133,824.48 = 54,531.84 : x - Step 2: Convert to fraction form
96,973.68/133,824.48 = 54,531.84/x - Step 3: Cross multiply
96,973.68x = 133,824.48 × 54,531.84 - Step 4: Simplify right side
96,973.68x = 7,297,695,131.44 - Step 5: Solve for x
x = 7,297,695,131.44/96,973.68 - Step 6: Final answer
x = 75,254.39
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1.5x scale
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.