Finding the Fourth Proportional to 101,416.99, 139,954.62 and 56,096.91
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Solution
The fourth proportional to 101,416.99, 139,954.62 and 56,096.91 is: 77,413.28
Step by Step Solution
- Step 1: Write the proportion equation
101,416.99 : 139,954.62 = 56,096.91 : x - Step 2: Convert to fraction form
101,416.99/139,954.62 = 56,096.91/x - Step 3: Cross multiply
101,416.99x = 139,954.62 × 56,096.91 - Step 4: Simplify right side
101,416.99x = 7,851,021,722.22 - Step 5: Solve for x
x = 7,851,021,722.22/101,416.99 - Step 6: Final answer
x = 77,413.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.