Finding the Fourth Proportional to 83,194.39, 124,759.68 and 65,459.94
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Solution
The fourth proportional to 83,194.39, 124,759.68 and 65,459.94 is: 98,164.82
Step by Step Solution
- Step 1: Write the proportion equation
83,194.39 : 124,759.68 = 65,459.94 : x - Step 2: Convert to fraction form
83,194.39/124,759.68 = 65,459.94/x - Step 3: Cross multiply
83,194.39x = 124,759.68 × 65,459.94 - Step 4: Simplify right side
83,194.39x = 8,166,761,642.77 - Step 5: Solve for x
x = 8,166,761,642.77/83,194.39 - Step 6: Final answer
x = 98,164.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.