Finding the Fourth Proportional to 91,671.08, 137,519.80 and 34,765.92
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Solution
The fourth proportional to 91,671.08, 137,519.80 and 34,765.92 is: 52,153.88
Step by Step Solution
- Step 1: Write the proportion equation
91,671.08 : 137,519.80 = 34,765.92 : x - Step 2: Convert to fraction form
91,671.08/137,519.80 = 34,765.92/x - Step 3: Cross multiply
91,671.08x = 137,519.80 × 34,765.92 - Step 4: Simplify right side
91,671.08x = 4,781,002,365.22 - Step 5: Solve for x
x = 4,781,002,365.22/91,671.08 - Step 6: Final answer
x = 52,153.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.