Finding the Fourth Proportional to 98,626.48, 135,997.50 and 62,770.61
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Solution
The fourth proportional to 98,626.48, 135,997.50 and 62,770.61 is: 86,555.32
Step by Step Solution
- Step 1: Write the proportion equation
98,626.48 : 135,997.50 = 62,770.61 : x - Step 2: Convert to fraction form
98,626.48/135,997.50 = 62,770.61/x - Step 3: Cross multiply
98,626.48x = 135,997.50 × 62,770.61 - Step 4: Simplify right side
98,626.48x = 8,536,646,033.48 - Step 5: Solve for x
x = 8,536,646,033.48/98,626.48 - Step 6: Final answer
x = 86,555.32
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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.