Finding the Fourth Proportional to 74,831.80, 103,267.94 and 41,297.80
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Solution
The fourth proportional to 74,831.80, 103,267.94 and 41,297.80 is: 56,990.99
Step by Step Solution
- Step 1: Write the proportion equation
74,831.80 : 103,267.94 = 41,297.80 : x - Step 2: Convert to fraction form
74,831.80/103,267.94 = 41,297.80/x - Step 3: Cross multiply
74,831.80x = 103,267.94 × 41,297.80 - Step 4: Simplify right side
74,831.80x = 4,264,738,732.53 - Step 5: Solve for x
x = 4,264,738,732.53/74,831.80 - Step 6: Final answer
x = 56,990.99
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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.