Finding the Fourth Proportional to 83,415.39, 125,142.53 and 27,258.09
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Solution
The fourth proportional to 83,415.39, 125,142.53 and 27,258.09 is: 40,893.49
Step by Step Solution
- Step 1: Write the proportion equation
83,415.39 : 125,142.53 = 27,258.09 : x - Step 2: Convert to fraction form
83,415.39/125,142.53 = 27,258.09/x - Step 3: Cross multiply
83,415.39x = 125,142.53 × 27,258.09 - Step 4: Simplify right side
83,415.39x = 3,411,146,209.28 - Step 5: Solve for x
x = 3,411,146,209.28/83,415.39 - Step 6: Final answer
x = 40,893.49
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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.