Finding the Fourth Proportional to 98,659.44, 136,149.84 and 53,337.42
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Solution
The fourth proportional to 98,659.44, 136,149.84 and 53,337.42 is: 73,605.54
Step by Step Solution
- Step 1: Write the proportion equation
98,659.44 : 136,149.84 = 53,337.42 : x - Step 2: Convert to fraction form
98,659.44/136,149.84 = 53,337.42/x - Step 3: Cross multiply
98,659.44x = 136,149.84 × 53,337.42 - Step 4: Simplify right side
98,659.44x = 7,261,881,199.01 - Step 5: Solve for x
x = 7,261,881,199.01/98,659.44 - Step 6: Final answer
x = 73,605.54
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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.