Finding the Fourth Proportional to 83,639.19, 125,294.74 and 48,505.03
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Solution
The fourth proportional to 83,639.19, 125,294.74 and 48,505.03 is: 72,662.41
Step by Step Solution
- Step 1: Write the proportion equation
83,639.19 : 125,294.74 = 48,505.03 : x - Step 2: Convert to fraction form
83,639.19/125,294.74 = 48,505.03/x - Step 3: Cross multiply
83,639.19x = 125,294.74 × 48,505.03 - Step 4: Simplify right side
83,639.19x = 6,077,425,122.54 - Step 5: Solve for x
x = 6,077,425,122.54/83,639.19 - Step 6: Final answer
x = 72,662.41
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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.