Finding the Fourth Proportional to 68,374.99, 102,363.86 and 39,824.89
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Solution
The fourth proportional to 68,374.99, 102,363.86 and 39,824.89 is: 59,621.65
Step by Step Solution
- Step 1: Write the proportion equation
68,374.99 : 102,363.86 = 39,824.89 : x - Step 2: Convert to fraction form
68,374.99/102,363.86 = 39,824.89/x - Step 3: Cross multiply
68,374.99x = 102,363.86 × 39,824.89 - Step 4: Simplify right side
68,374.99x = 4,076,629,464.48 - Step 5: Solve for x
x = 4,076,629,464.48/68,374.99 - Step 6: Final answer
x = 59,621.65
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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.