Finding the Fourth Proportional to 86,180.68, 118,933.86 and 48,457.36
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Solution
The fourth proportional to 86,180.68, 118,933.86 and 48,457.36 is: 66,873.70
Step by Step Solution
- Step 1: Write the proportion equation
86,180.68 : 118,933.86 = 48,457.36 : x - Step 2: Convert to fraction form
86,180.68/118,933.86 = 48,457.36/x - Step 3: Cross multiply
86,180.68x = 118,933.86 × 48,457.36 - Step 4: Simplify right side
86,180.68x = 5,763,220,870.21 - Step 5: Solve for x
x = 5,763,220,870.21/86,180.68 - Step 6: Final answer
x = 66,873.70
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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.