Finding the Fourth Proportional to 68,380.32, 102,532.01 and 47,058.08
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Solution
The fourth proportional to 68,380.32, 102,532.01 and 47,058.08 is: 70,560.65
Step by Step Solution
- Step 1: Write the proportion equation
68,380.32 : 102,532.01 = 47,058.08 : x - Step 2: Convert to fraction form
68,380.32/102,532.01 = 47,058.08/x - Step 3: Cross multiply
68,380.32x = 102,532.01 × 47,058.08 - Step 4: Simplify right side
68,380.32x = 4,824,959,550.18 - Step 5: Solve for x
x = 4,824,959,550.18/68,380.32 - Step 6: Final answer
x = 70,560.65
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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.