Finding the Fourth Proportional to 88,964.59, 122,759.01 and 53,146.99
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Solution
The fourth proportional to 88,964.59, 122,759.01 and 53,146.99 is: 73,335.60
Step by Step Solution
- Step 1: Write the proportion equation
88,964.59 : 122,759.01 = 53,146.99 : x - Step 2: Convert to fraction form
88,964.59/122,759.01 = 53,146.99/x - Step 3: Cross multiply
88,964.59x = 122,759.01 × 53,146.99 - Step 4: Simplify right side
88,964.59x = 6,524,271,876.88 - Step 5: Solve for x
x = 6,524,271,876.88/88,964.59 - Step 6: Final answer
x = 73,335.60
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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.