Finding the Fourth Proportional to 98,795.31, 136,337.14 and 53,474.06
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Solution
The fourth proportional to 98,795.31, 136,337.14 and 53,474.06 is: 73,793.99
Step by Step Solution
- Step 1: Write the proportion equation
98,795.31 : 136,337.14 = 53,474.06 : x - Step 2: Convert to fraction form
98,795.31/136,337.14 = 53,474.06/x - Step 3: Cross multiply
98,795.31x = 136,337.14 × 53,474.06 - Step 4: Simplify right side
98,795.31x = 7,290,500,404.59 - Step 5: Solve for x
x = 7,290,500,404.59/98,795.31 - Step 6: Final answer
x = 73,793.99
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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.