Finding the Fourth Proportional to 84,827.81, 127,270.80 and 53,199.68
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Solution
The fourth proportional to 84,827.81, 127,270.80 and 53,199.68 is: 79,817.76
Step by Step Solution
- Step 1: Write the proportion equation
84,827.81 : 127,270.80 = 53,199.68 : x - Step 2: Convert to fraction form
84,827.81/127,270.80 = 53,199.68/x - Step 3: Cross multiply
84,827.81x = 127,270.80 × 53,199.68 - Step 4: Simplify right side
84,827.81x = 6,770,765,196.99 - Step 5: Solve for x
x = 6,770,765,196.99/84,827.81 - Step 6: Final answer
x = 79,817.76
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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.