Finding the Fourth Proportional to 83,852.64, 115,716.60 and 46,126.62
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Solution
The fourth proportional to 83,852.64, 115,716.60 and 46,126.62 is: 63,654.71
Step by Step Solution
- Step 1: Write the proportion equation
83,852.64 : 115,716.60 = 46,126.62 : x - Step 2: Convert to fraction form
83,852.64/115,716.60 = 46,126.62/x - Step 3: Cross multiply
83,852.64x = 115,716.60 × 46,126.62 - Step 4: Simplify right side
83,852.64x = 5,337,615,635.89 - Step 5: Solve for x
x = 5,337,615,635.89/83,852.64 - Step 6: Final answer
x = 63,654.71
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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.