Finding the Fourth Proportional to 84,873.42, 127,316.61 and 25,713.99
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Solution
The fourth proportional to 84,873.42, 127,316.61 and 25,713.99 is: 38,572.95
Step by Step Solution
- Step 1: Write the proportion equation
84,873.42 : 127,316.61 = 25,713.99 : x - Step 2: Convert to fraction form
84,873.42/127,316.61 = 25,713.99/x - Step 3: Cross multiply
84,873.42x = 127,316.61 × 25,713.99 - Step 4: Simplify right side
84,873.42x = 3,273,818,036.37 - Step 5: Solve for x
x = 3,273,818,036.37/84,873.42 - Step 6: Final answer
x = 38,572.95
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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.