Finding the Fourth Proportional to 107,119.62, 160,693.41 and 39,642.48
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Solution
The fourth proportional to 107,119.62, 160,693.41 and 39,642.48 is: 59,468.89
Step by Step Solution
- Step 1: Write the proportion equation
107,119.62 : 160,693.41 = 39,642.48 : x - Step 2: Convert to fraction form
107,119.62/160,693.41 = 39,642.48/x - Step 3: Cross multiply
107,119.62x = 160,693.41 × 39,642.48 - Step 4: Simplify right side
107,119.62x = 6,370,285,292.06 - Step 5: Solve for x
x = 6,370,285,292.06/107,119.62 - Step 6: Final answer
x = 59,468.89
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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.