Finding the Fourth Proportional to 71,600.06, 107,358.94 and 29,509.20
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Solution
The fourth proportional to 71,600.06, 107,358.94 and 29,509.20 is: 44,246.84
Step by Step Solution
- Step 1: Write the proportion equation
71,600.06 : 107,358.94 = 29,509.20 : x - Step 2: Convert to fraction form
71,600.06/107,358.94 = 29,509.20/x - Step 3: Cross multiply
71,600.06x = 107,358.94 × 29,509.20 - Step 4: Simplify right side
71,600.06x = 3,168,076,432.25 - Step 5: Solve for x
x = 3,168,076,432.25/71,600.06 - Step 6: Final answer
x = 44,246.84
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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.