Finding the Fourth Proportional to 98,209.97, 135,529.76 and 53,497.97
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Solution
The fourth proportional to 98,209.97, 135,529.76 and 53,497.97 is: 73,827.20
Step by Step Solution
- Step 1: Write the proportion equation
98,209.97 : 135,529.76 = 53,497.97 : x - Step 2: Convert to fraction form
98,209.97/135,529.76 = 53,497.97/x - Step 3: Cross multiply
98,209.97x = 135,529.76 × 53,497.97 - Step 4: Simplify right side
98,209.97x = 7,250,566,697.99 - Step 5: Solve for x
x = 7,250,566,697.99/98,209.97 - Step 6: Final answer
x = 73,827.20
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1.5x scale
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.