Finding the Fourth Proportional to 98,101.26, 135,375.75 and 55,658.94
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Solution
The fourth proportional to 98,101.26, 135,375.75 and 55,658.94 is: 76,807.07
Step by Step Solution
- Step 1: Write the proportion equation
98,101.26 : 135,375.75 = 55,658.94 : x - Step 2: Convert to fraction form
98,101.26/135,375.75 = 55,658.94/x - Step 3: Cross multiply
98,101.26x = 135,375.75 × 55,658.94 - Step 4: Simplify right side
98,101.26x = 7,534,870,746.71 - Step 5: Solve for x
x = 7,534,870,746.71/98,101.26 - Step 6: Final answer
x = 76,807.07
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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.