Finding the Fourth Proportional to 83,935.19, 125,902.80 and 27,760.23
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Solution
The fourth proportional to 83,935.19, 125,902.80 and 27,760.23 is: 41,640.35
Step by Step Solution
- Step 1: Write the proportion equation
83,935.19 : 125,902.80 = 27,760.23 : x - Step 2: Convert to fraction form
83,935.19/125,902.80 = 27,760.23/x - Step 3: Cross multiply
83,935.19x = 125,902.80 × 27,760.23 - Step 4: Simplify right side
83,935.19x = 3,495,090,685.64 - Step 5: Solve for x
x = 3,495,090,685.64/83,935.19 - Step 6: Final answer
x = 41,640.35
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1.5x scale
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.