Finding the Fourth Proportional to 101,970.36, 140,770.26 and 63,751.14
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Solution
The fourth proportional to 101,970.36, 140,770.26 and 63,751.14 is: 88,008.56
Step by Step Solution
- Step 1: Write the proportion equation
101,970.36 : 140,770.26 = 63,751.14 : x - Step 2: Convert to fraction form
101,970.36/140,770.26 = 63,751.14/x - Step 3: Cross multiply
101,970.36x = 140,770.26 × 63,751.14 - Step 4: Simplify right side
101,970.36x = 8,974,264,553.10 - Step 5: Solve for x
x = 8,974,264,553.10/101,970.36 - Step 6: Final answer
x = 88,008.56
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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.