Finding the Fourth Proportional to 93,636.96, 129,212.88 and 53,344.80
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Solution
The fourth proportional to 93,636.96, 129,212.88 and 53,344.80 is: 73,612.33
Step by Step Solution
- Step 1: Write the proportion equation
93,636.96 : 129,212.88 = 53,344.80 : x - Step 2: Convert to fraction form
93,636.96/129,212.88 = 53,344.80/x - Step 3: Cross multiply
93,636.96x = 129,212.88 × 53,344.80 - Step 4: Simplify right side
93,636.96x = 6,892,835,241.02 - Step 5: Solve for x
x = 6,892,835,241.02/93,636.96 - Step 6: Final answer
x = 73,612.33
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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.