Finding the Fourth Proportional to 91,056.24, 136,642.50 and 44,283.60
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Solution
The fourth proportional to 91,056.24, 136,642.50 and 44,283.60 is: 66,453.68
Step by Step Solution
- Step 1: Write the proportion equation
91,056.24 : 136,642.50 = 44,283.60 : x - Step 2: Convert to fraction form
91,056.24/136,642.50 = 44,283.60/x - Step 3: Cross multiply
91,056.24x = 136,642.50 × 44,283.60 - Step 4: Simplify right side
91,056.24x = 6,051,021,813 - Step 5: Solve for x
x = 6,051,021,813/91,056.24 - Step 6: Final answer
x = 66,453.68
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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.