Finding the Fourth Proportional to 83,963.97, 125,945.94 and 57,588.75
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Solution
The fourth proportional to 83,963.97, 125,945.94 and 57,588.75 is: 86,383.11
Step by Step Solution
- Step 1: Write the proportion equation
83,963.97 : 125,945.94 = 57,588.75 : x - Step 2: Convert to fraction form
83,963.97/125,945.94 = 57,588.75/x - Step 3: Cross multiply
83,963.97x = 125,945.94 × 57,588.75 - Step 4: Simplify right side
83,963.97x = 7,253,069,252.18 - Step 5: Solve for x
x = 7,253,069,252.18/83,963.97 - Step 6: Final answer
x = 86,383.11
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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.