Finding the Fourth Proportional to 104,956.63, 144,837.99 and 57,209.56
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Solution
The fourth proportional to 104,956.63, 144,837.99 and 57,209.56 is: 78,948.02
Step by Step Solution
- Step 1: Write the proportion equation
104,956.63 : 144,837.99 = 57,209.56 : x - Step 2: Convert to fraction form
104,956.63/144,837.99 = 57,209.56/x - Step 3: Cross multiply
104,956.63x = 144,837.99 × 57,209.56 - Step 4: Simplify right side
104,956.63x = 8,286,117,679.18 - Step 5: Solve for x
x = 8,286,117,679.18/104,956.63 - Step 6: Final answer
x = 78,948.02
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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.