Finding the Fourth Proportional to 91,919.08, 126,848.26 and 52,175.08
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Solution
The fourth proportional to 91,919.08, 126,848.26 and 52,175.08 is: 72,001.57
Step by Step Solution
- Step 1: Write the proportion equation
91,919.08 : 126,848.26 = 52,175.08 : x - Step 2: Convert to fraction form
91,919.08/126,848.26 = 52,175.08/x - Step 3: Cross multiply
91,919.08x = 126,848.26 × 52,175.08 - Step 4: Simplify right side
91,919.08x = 6,618,318,113.36 - Step 5: Solve for x
x = 6,618,318,113.36/91,919.08 - Step 6: Final answer
x = 72,001.57
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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.