Finding the Fourth Proportional to 85,698.41, 118,249.74 and 53,844.75
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Solution
The fourth proportional to 85,698.41, 118,249.74 and 53,844.75 is: 74,296.92
Step by Step Solution
- Step 1: Write the proportion equation
85,698.41 : 118,249.74 = 53,844.75 : x - Step 2: Convert to fraction form
85,698.41/118,249.74 = 53,844.75/x - Step 3: Cross multiply
85,698.41x = 118,249.74 × 53,844.75 - Step 4: Simplify right side
85,698.41x = 6,367,127,687.87 - Step 5: Solve for x
x = 6,367,127,687.87/85,698.41 - Step 6: Final answer
x = 74,296.92
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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.