Finding the Fourth Proportional to 85,800.68, 118,404.60 and 48,074.84
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Solution
The fourth proportional to 85,800.68, 118,404.60 and 48,074.84 is: 66,343.09
Step by Step Solution
- Step 1: Write the proportion equation
85,800.68 : 118,404.60 = 48,074.84 : x - Step 2: Convert to fraction form
85,800.68/118,404.60 = 48,074.84/x - Step 3: Cross multiply
85,800.68x = 118,404.60 × 48,074.84 - Step 4: Simplify right side
85,800.68x = 5,692,282,200.26 - Step 5: Solve for x
x = 5,692,282,200.26/85,800.68 - Step 6: Final answer
x = 66,343.09
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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.