Finding the Fourth Proportional to 98,969.07, 136,573.97 and 58,658.88
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Solution
The fourth proportional to 98,969.07, 136,573.97 and 58,658.88 is: 80,947.27
Step by Step Solution
- Step 1: Write the proportion equation
98,969.07 : 136,573.97 = 58,658.88 : x - Step 2: Convert to fraction form
98,969.07/136,573.97 = 58,658.88/x - Step 3: Cross multiply
98,969.07x = 136,573.97 × 58,658.88 - Step 4: Simplify right side
98,969.07x = 8,011,276,336.21 - Step 5: Solve for x
x = 8,011,276,336.21/98,969.07 - Step 6: Final answer
x = 80,947.27
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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.