Finding the Fourth Proportional to 84,737.44, 127,107.44 and 40,368.80
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Solution
The fourth proportional to 84,737.44, 127,107.44 and 40,368.80 is: 60,553.81
Step by Step Solution
- Step 1: Write the proportion equation
84,737.44 : 127,107.44 = 40,368.80 : x - Step 2: Convert to fraction form
84,737.44/127,107.44 = 40,368.80/x - Step 3: Cross multiply
84,737.44x = 127,107.44 × 40,368.80 - Step 4: Simplify right side
84,737.44x = 5,131,174,823.87 - Step 5: Solve for x
x = 5,131,174,823.87/84,737.44 - Step 6: Final answer
x = 60,553.81
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1.5x scale
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.