Finding the Fourth Proportional to 85,887.36, 118,524.24 and 48,161.52
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Solution
The fourth proportional to 85,887.36, 118,524.24 and 48,161.52 is: 66,462.72
Step by Step Solution
- Step 1: Write the proportion equation
85,887.36 : 118,524.24 = 48,161.52 : x - Step 2: Convert to fraction form
85,887.36/118,524.24 = 48,161.52/x - Step 3: Cross multiply
85,887.36x = 118,524.24 × 48,161.52 - Step 4: Simplify right side
85,887.36x = 5,708,307,555.24 - Step 5: Solve for x
x = 5,708,307,555.24/85,887.36 - Step 6: Final answer
x = 66,462.72
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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.