Finding the Fourth Proportional to 98,195.84, 135,511.84 and 55,755.52
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Solution
The fourth proportional to 98,195.84, 135,511.84 and 55,755.52 is: 76,943.52
Step by Step Solution
- Step 1: Write the proportion equation
98,195.84 : 135,511.84 = 55,755.52 : x - Step 2: Convert to fraction form
98,195.84/135,511.84 = 55,755.52/x - Step 3: Cross multiply
98,195.84x = 135,511.84 × 55,755.52 - Step 4: Simplify right side
98,195.84x = 7,555,533,105.36 - Step 5: Solve for x
x = 7,555,533,105.36/98,195.84 - Step 6: Final answer
x = 76,943.52
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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.