Finding the Fourth Proportional to 73,715.36, 110,580.21 and 29,331.74
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Solution
The fourth proportional to 73,715.36, 110,580.21 and 29,331.74 is: 44,000.46
Step by Step Solution
- Step 1: Write the proportion equation
73,715.36 : 110,580.21 = 29,331.74 : x - Step 2: Convert to fraction form
73,715.36/110,580.21 = 29,331.74/x - Step 3: Cross multiply
73,715.36x = 110,580.21 × 29,331.74 - Step 4: Simplify right side
73,715.36x = 3,243,509,415.96 - Step 5: Solve for x
x = 3,243,509,415.96/73,715.36 - Step 6: Final answer
x = 44,000.46
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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.