Finding the Fourth Proportional to 73,125.75, 109,688.64 and 26,378.62
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Solution
The fourth proportional to 73,125.75, 109,688.64 and 26,378.62 is: 39,567.94
Step by Step Solution
- Step 1: Write the proportion equation
73,125.75 : 109,688.64 = 26,378.62 : x - Step 2: Convert to fraction form
73,125.75/109,688.64 = 26,378.62/x - Step 3: Cross multiply
73,125.75x = 109,688.64 × 26,378.62 - Step 4: Simplify right side
73,125.75x = 2,893,434,952.88 - Step 5: Solve for x
x = 2,893,434,952.88/73,125.75 - Step 6: Final answer
x = 39,567.94
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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.