Finding the Fourth Proportional to 106,378.44, 159,616.09 and 39,823.75
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Solution
The fourth proportional to 106,378.44, 159,616.09 and 39,823.75 is: 59,753.75
Step by Step Solution
- Step 1: Write the proportion equation
106,378.44 : 159,616.09 = 39,823.75 : x - Step 2: Convert to fraction form
106,378.44/159,616.09 = 39,823.75/x - Step 3: Cross multiply
106,378.44x = 159,616.09 × 39,823.75 - Step 4: Simplify right side
106,378.44x = 6,356,510,266.94 - Step 5: Solve for x
x = 6,356,510,266.94/106,378.44 - Step 6: Final answer
x = 59,753.75
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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.