Finding the Fourth Proportional to 98,209.62, 135,529.29 and 53,497.62
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Solution
The fourth proportional to 98,209.62, 135,529.29 and 53,497.62 is: 73,826.72
Step by Step Solution
- Step 1: Write the proportion equation
98,209.62 : 135,529.29 = 53,497.62 : x - Step 2: Convert to fraction form
98,209.62/135,529.29 = 53,497.62/x - Step 3: Cross multiply
98,209.62x = 135,529.29 × 53,497.62 - Step 4: Simplify right side
98,209.62x = 7,250,494,455.29 - Step 5: Solve for x
x = 7,250,494,455.29/98,209.62 - Step 6: Final answer
x = 73,826.72
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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.