Finding the Fourth Proportional to 91,637.12, 126,466.98 and 51,350.42
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Solution
The fourth proportional to 91,637.12, 126,466.98 and 51,350.42 is: 70,867.92
Step by Step Solution
- Step 1: Write the proportion equation
91,637.12 : 126,466.98 = 51,350.42 : x - Step 2: Convert to fraction form
91,637.12/126,466.98 = 51,350.42/x - Step 3: Cross multiply
91,637.12x = 126,466.98 × 51,350.42 - Step 4: Simplify right side
91,637.12x = 6,494,132,539.13 - Step 5: Solve for x
x = 6,494,132,539.13/91,637.12 - Step 6: Final answer
x = 70,867.92
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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.