Finding the Fourth Proportional to 70,786.36, 106,197.99 and 26,413.48
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Solution
The fourth proportional to 70,786.36, 106,197.99 and 26,413.48 is: 39,627.10
Step by Step Solution
- Step 1: Write the proportion equation
70,786.36 : 106,197.99 = 26,413.48 : x - Step 2: Convert to fraction form
70,786.36/106,197.99 = 26,413.48/x - Step 3: Cross multiply
70,786.36x = 106,197.99 × 26,413.48 - Step 4: Simplify right side
70,786.36x = 2,805,058,484.91 - Step 5: Solve for x
x = 2,805,058,484.91/70,786.36 - Step 6: Final answer
x = 39,627.10
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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.