Finding the Fourth Proportional to 83,765.92, 115,602.44 and 51,955.96
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Solution
The fourth proportional to 83,765.92, 115,602.44 and 51,955.96 is: 71,702.62
Step by Step Solution
- Step 1: Write the proportion equation
83,765.92 : 115,602.44 = 51,955.96 : x - Step 2: Convert to fraction form
83,765.92/115,602.44 = 51,955.96/x - Step 3: Cross multiply
83,765.92x = 115,602.44 × 51,955.96 - Step 4: Simplify right side
83,765.92x = 6,006,235,748.54 - Step 5: Solve for x
x = 6,006,235,748.54/83,765.92 - Step 6: Final answer
x = 71,702.62
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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.