Finding the Fourth Proportional to 73,490.12, 101,266.26 and 69,520.28
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Solution
The fourth proportional to 73,490.12, 101,266.26 and 69,520.28 is: 95,795.99
Step by Step Solution
- Step 1: Write the proportion equation
73,490.12 : 101,266.26 = 69,520.28 : x - Step 2: Convert to fraction form
73,490.12/101,266.26 = 69,520.28/x - Step 3: Cross multiply
73,490.12x = 101,266.26 × 69,520.28 - Step 4: Simplify right side
73,490.12x = 7,040,058,749.75 - Step 5: Solve for x
x = 7,040,058,749.75/73,490.12 - Step 6: Final answer
x = 95,795.99
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1.5x scale
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.