Finding the Fourth Proportional to 98,618.24, 136,102.70 and 58,344.95
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Solution
The fourth proportional to 98,618.24, 136,102.70 and 58,344.95 is: 80,521.67
Step by Step Solution
- Step 1: Write the proportion equation
98,618.24 : 136,102.70 = 58,344.95 : x - Step 2: Convert to fraction form
98,618.24/136,102.70 = 58,344.95/x - Step 3: Cross multiply
98,618.24x = 136,102.70 × 58,344.95 - Step 4: Simplify right side
98,618.24x = 7,940,904,934.64 - Step 5: Solve for x
x = 7,940,904,934.64/98,618.24 - Step 6: Final answer
x = 80,521.67
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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.