Finding the Fourth Proportional to 84,771.08, 127,152.64 and 31,473.66
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Solution
The fourth proportional to 84,771.08, 127,152.64 and 31,473.66 is: 47,209.02
Step by Step Solution
- Step 1: Write the proportion equation
84,771.08 : 127,152.64 = 31,473.66 : x - Step 2: Convert to fraction form
84,771.08/127,152.64 = 31,473.66/x - Step 3: Cross multiply
84,771.08x = 127,152.64 × 31,473.66 - Step 4: Simplify right side
84,771.08x = 4,001,959,298.59 - Step 5: Solve for x
x = 4,001,959,298.59/84,771.08 - Step 6: Final answer
x = 47,209.02
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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.