Finding the Fourth Proportional to 73,737.48, 110,507.42 and 69,013.64
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Solution
The fourth proportional to 73,737.48, 110,507.42 and 69,013.64 is: 103,427.99
Step by Step Solution
- Step 1: Write the proportion equation
73,737.48 : 110,507.42 = 69,013.64 : x - Step 2: Convert to fraction form
73,737.48/110,507.42 = 69,013.64/x - Step 3: Cross multiply
73,737.48x = 110,507.42 × 69,013.64 - Step 4: Simplify right side
73,737.48x = 7,626,519,301.21 - Step 5: Solve for x
x = 7,626,519,301.21/73,737.48 - Step 6: Final answer
x = 103,427.99
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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.